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wav2vad.cpp
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wav2vad.cpp
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// Copyright (c) 2024 Ubaldo Porcheddu <ubaldo@eja.it>
#include <chrono>
#include <cstdarg>
#include <cstdio>
#include <cstring>
#include <iostream>
#include <limits>
#include <memory>
#include <sstream>
#include <stdexcept>
#include <string>
#include <vector>
#include "onnxruntime_cxx_api.h"
#include "onnx_model_loader.h"
#include "silero_vad.h"
#include "wav.h"
void print_timestamp(float start, float end, float rate, bool comma) {
printf(" {");
printf(" \"start\": %f,", (start / rate));
printf(" \"end\": %f", (end / rate));
printf("}");
if (comma) {
printf(",");
}
printf("\n");
}
int main(int argc, char *argv[]) {
if (argc != 2) {
fprintf(stderr, "Usage: %s <wav_file>\n", argv[0]);
return 1;
}
std::string wav_file = argv[1];
std::vector<timestamp_t> stamps;
wav::WavReader wav_reader(wav_file);
std::vector<float> input_wav(wav_reader.num_samples());
for (int i = 0; i < wav_reader.num_samples(); i++) {
input_wav[i] = static_cast<float>(*(wav_reader.data() + i));
}
VadIterator vad;
vad.process(input_wav);
printf("[\n");
stamps = vad.get_speech_timestamps();
for (int i = 0; i < stamps.size(); i++) {
bool comma = true;
if (i == stamps.size() - 1) {
comma = false;
}
print_timestamp(stamps[i].start, stamps[i].end, wav_reader.sample_rate(),
comma);
}
printf("]\n");
}