79 lines
2.5 KiB
C
79 lines
2.5 KiB
C
// c-api-examples/telespeech-c-api.c
|
|
//
|
|
// Copyright (c) 2024 Xiaomi Corporation
|
|
|
|
//
|
|
// This file demonstrates how to use TeleSpeech-ASR CTC model with sherpa-onnx's
|
|
// C API.
|
|
// clang-format off
|
|
//
|
|
// wget https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04.tar.bz2
|
|
// tar xvf sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04.tar.bz2
|
|
// rm sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04.tar.bz2
|
|
//
|
|
// clang-format on
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include "sherpa-onnx/c-api/c-api.h"
|
|
|
|
int32_t main() {
|
|
const char *wav_filename =
|
|
"sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04/test_wavs/3-sichuan.wav";
|
|
const char *model_filename =
|
|
"sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04/model.int8.onnx";
|
|
const char *tokens_filename =
|
|
"sherpa-onnx-telespeech-ctc-int8-zh-2024-06-04/tokens.txt";
|
|
const char *provider = "cpu";
|
|
|
|
const SherpaOnnxWave *wave = SherpaOnnxReadWave(wav_filename);
|
|
if (wave == NULL) {
|
|
fprintf(stderr, "Failed to read %s\n", wav_filename);
|
|
return -1;
|
|
}
|
|
|
|
// Offline model config
|
|
SherpaOnnxOfflineModelConfig offline_model_config;
|
|
memset(&offline_model_config, 0, sizeof(offline_model_config));
|
|
offline_model_config.debug = 1;
|
|
offline_model_config.num_threads = 1;
|
|
offline_model_config.provider = provider;
|
|
offline_model_config.tokens = tokens_filename;
|
|
offline_model_config.telespeech_ctc = model_filename;
|
|
|
|
// Recognizer config
|
|
SherpaOnnxOfflineRecognizerConfig recognizer_config;
|
|
memset(&recognizer_config, 0, sizeof(recognizer_config));
|
|
recognizer_config.decoding_method = "greedy_search";
|
|
recognizer_config.model_config = offline_model_config;
|
|
|
|
const SherpaOnnxOfflineRecognizer *recognizer =
|
|
SherpaOnnxCreateOfflineRecognizer(&recognizer_config);
|
|
|
|
if (recognizer == NULL) {
|
|
fprintf(stderr, "Please check your config!\n");
|
|
SherpaOnnxFreeWave(wave);
|
|
return -1;
|
|
}
|
|
|
|
const SherpaOnnxOfflineStream *stream =
|
|
SherpaOnnxCreateOfflineStream(recognizer);
|
|
|
|
SherpaOnnxAcceptWaveformOffline(stream, wave->sample_rate, wave->samples,
|
|
wave->num_samples);
|
|
SherpaOnnxDecodeOfflineStream(recognizer, stream);
|
|
const SherpaOnnxOfflineRecognizerResult *result =
|
|
SherpaOnnxGetOfflineStreamResult(stream);
|
|
|
|
fprintf(stderr, "Decoded text: %s\n", result->text);
|
|
|
|
SherpaOnnxDestroyOfflineRecognizerResult(result);
|
|
SherpaOnnxDestroyOfflineStream(stream);
|
|
SherpaOnnxDestroyOfflineRecognizer(recognizer);
|
|
SherpaOnnxFreeWave(wave);
|
|
|
|
return 0;
|
|
}
|