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83 lines
2.9 KiB
83 lines
2.9 KiB
3 years ago
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// Copyright (c) 2022 PaddlePaddle Authors. All Rights Reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "websocket/websocket_client.h"
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#include "kaldi/feat/wave-reader.h"
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#include "kaldi/util/kaldi-io.h"
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#include "kaldi/util/table-types.h"
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DEFINE_string(host, "127.0.0.1", "host of websocket server");
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DEFINE_int32(port, 201314, "port of websocket server");
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DEFINE_string(wav_rspecifier, "", "test wav scp path");
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DEFINE_double(streaming_chunk, 0.1, "streaming feature chunk size");
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using kaldi::int16;
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int main(int argc, char* argv[]) {
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gflags::ParseCommandLineFlags(&argc, &argv, false);
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google::InitGoogleLogging(argv[0]);
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ppspeech::WebSocketClient client(FLAGS_host, FLAGS_port);
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kaldi::SequentialTableReader<kaldi::WaveHolder> wav_reader(
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FLAGS_wav_rspecifier);
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const int sample_rate = 16000;
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const float streaming_chunk = FLAGS_streaming_chunk;
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const int chunk_sample_size = streaming_chunk * sample_rate;
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for (; !wav_reader.Done(); wav_reader.Next()) {
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client.SendStartSignal();
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std::string utt = wav_reader.Key();
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const kaldi::WaveData& wave_data = wav_reader.Value();
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CHECK_EQ(wave_data.SampFreq(), sample_rate);
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int32 this_channel = 0;
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kaldi::SubVector<kaldi::BaseFloat> waveform(wave_data.Data(),
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this_channel);
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const int tot_samples = waveform.Dim();
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int sample_offset = 0;
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while (sample_offset < tot_samples) {
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int cur_chunk_size =
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std::min(chunk_sample_size, tot_samples - sample_offset);
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std::vector<int16> wav_chunk(cur_chunk_size);
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for (int i = 0; i < cur_chunk_size; ++i) {
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wav_chunk[i] = static_cast<int16>(waveform(sample_offset + i));
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}
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client.SendBinaryData(wav_chunk.data(),
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wav_chunk.size() * sizeof(int16));
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sample_offset += cur_chunk_size;
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LOG(INFO) << "Send " << cur_chunk_size << " samples";
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std::this_thread::sleep_for(
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std::chrono::milliseconds(static_cast<int>(1 * 1000)));
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if (cur_chunk_size < chunk_sample_size) {
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client.SendEndSignal();
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}
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}
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while (!client.Done()) {
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}
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std::string result = client.GetResult();
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LOG(INFO) << "utt: " << utt << " " << result;
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client.Join();
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return 0;
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}
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return 0;
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}
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