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72 lines
2.4 KiB
72 lines
2.4 KiB
2 years ago
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// Copyright (c) 2023 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 <iostream>
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#include <vector>
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#include "common/base/common.h"
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#include "vad/frontend/wav.h"
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#include "vad/interface/vad_interface.h"
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int main(int argc, char* argv[]) {
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if (argc < 3) {
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std::cout << "Usage: vad_interface_main path/to/config path/to/audio "
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"run_option, "
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"e.g ./vad_interface_main config sample.wav"
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<< std::endl;
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return -1;
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}
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std::string config_path = argv[1];
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std::string audio_file = argv[2];
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PPSHandle_t handle = PPSVadCreateInstance(config_path.c_str());
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std::vector<float> inputWav; // [0, 1]
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wav::WavReader wav_reader = wav::WavReader(audio_file);
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auto sr = wav_reader.sample_rate();
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CHECK(sr == 16000) << " sr is " << sr << " expect 16000";
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auto num_samples = wav_reader.num_samples();
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inputWav.resize(num_samples);
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for (int i = 0; i < num_samples; i++) {
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inputWav[i] = wav_reader.data()[i] / 32768;
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}
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ppspeech::Timer timer;
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int window_size_samples = PPSVadChunkSizeSamples(handle);
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for (int64_t j = 0; j < num_samples; j += window_size_samples) {
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auto start = j;
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auto end = start + window_size_samples >= num_samples
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? num_samples
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: start + window_size_samples;
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auto current_chunk_size = end - start;
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std::vector<float> r{&inputWav[0] + start, &inputWav[0] + end};
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assert(r.size() == static_cast<size_t>(current_chunk_size));
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PPSVadState_t s = PPSVadFeedForward(handle, r.data(), r.size());
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std::cout << s << " ";
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}
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std::cout << std::endl;
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std::cout << "RTF=" << timer.Elapsed() / double(num_samples / sr)
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<< std::endl;
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PPSVadReset(handle);
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return 0;
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}
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