96 lines
2.9 KiB
C++
96 lines
2.9 KiB
C++
// sherpa-onnx/csrc/sherpa-onnx-offline-denoiser.cc
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//
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// Copyright (c) 2025 Xiaomi Corporation
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#include <stdio.h>
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#include <chrono> // NOLINT
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#include "sherpa-onnx/csrc/offline-speech-denoiser.h"
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#include "sherpa-onnx/csrc/wave-reader.h"
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#include "sherpa-onnx/csrc/wave-writer.h"
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int main(int32_t argc, char *argv[]) {
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const char *kUsageMessage = R"usage(
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Non-streaming speech denoising with sherpa-onnx.
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Please visit
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https://github.com/k2-fsa/sherpa-onnx/releases/tag/speech-enhancement-models
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to download models.
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Usage:
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(1) Use gtcrn models
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wget https://github.com/k2-fsa/sherpa-onnx/releases/download/speech-enhancement-models/gtcrn_simple.onnx
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./bin/sherpa-onnx-offline-denoiser \
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--speech-denoiser-gtcrn-model=gtcrn_simple.onnx \
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--input-wav=input.wav \
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--output-wav=output_16k.wav
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)usage";
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sherpa_onnx::ParseOptions po(kUsageMessage);
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sherpa_onnx::OfflineSpeechDenoiserConfig config;
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std::string input_wave;
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std::string output_wave;
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config.Register(&po);
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po.Register("input-wav", &input_wave, "Path to input wav.");
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po.Register("output-wav", &output_wave, "Path to output wav");
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po.Read(argc, argv);
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if (po.NumArgs() != 0) {
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fprintf(stderr, "Please don't give positional arguments\n");
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po.PrintUsage();
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exit(EXIT_FAILURE);
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}
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fprintf(stderr, "%s\n", config.ToString().c_str());
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if (input_wave.empty()) {
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fprintf(stderr, "Please provide --input-wav\n");
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po.PrintUsage();
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exit(EXIT_FAILURE);
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}
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if (output_wave.empty()) {
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fprintf(stderr, "Please provide --output-wav\n");
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po.PrintUsage();
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exit(EXIT_FAILURE);
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}
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sherpa_onnx::OfflineSpeechDenoiser denoiser(config);
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int32_t sampling_rate = -1;
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bool is_ok = false;
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std::vector<float> samples =
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sherpa_onnx::ReadWave(input_wave, &sampling_rate, &is_ok);
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if (!is_ok) {
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fprintf(stderr, "Failed to read '%s'\n", input_wave.c_str());
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return -1;
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}
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fprintf(stderr, "Started\n");
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const auto begin = std::chrono::steady_clock::now();
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auto result = denoiser.Run(samples.data(), samples.size(), sampling_rate);
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const auto end = std::chrono::steady_clock::now();
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float elapsed_seconds =
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std::chrono::duration_cast<std::chrono::milliseconds>(end - begin)
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.count() /
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1000.;
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fprintf(stderr, "Done\n");
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is_ok = sherpa_onnx::WriteWave(output_wave, result.sample_rate,
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result.samples.data(), result.samples.size());
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if (is_ok) {
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fprintf(stderr, "Saved to %s\n", output_wave.c_str());
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} else {
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fprintf(stderr, "Failed to save to %s\n", output_wave.c_str());
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}
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float duration = samples.size() / static_cast<float>(sampling_rate);
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fprintf(stderr, "num threads: %d\n", config.model.num_threads);
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fprintf(stderr, "Elapsed seconds: %.3f s\n", elapsed_seconds);
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float rtf = elapsed_seconds / duration;
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fprintf(stderr, "Real time factor (RTF): %.3f / %.3f = %.3f\n",
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elapsed_seconds, duration, rtf);
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}
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