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Add C API for FireRedAsr AED model. (#1871)
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| // c-api-examples/fire-red-asr-c-api.c | ||
| // | ||
| // Copyright (c) 2025 Xiaomi Corporation | ||
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| // We assume you have pre-downloaded the FireRedAsr model | ||
| // from https://github.com/k2-fsa/sherpa-onnx/releases/tag/asr-models | ||
| // An example is given below: | ||
| // | ||
| // clang-format off | ||
| // | ||
| // wget https://github.com/k2-fsa/sherpa-onnx/releases/download/asr-models/sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16.tar.bz2 | ||
| // tar xvf sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16.tar.bz2 | ||
| // rm sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16.tar.bz2 | ||
| // | ||
| // clang-format on | ||
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| #include <stdio.h> | ||
| #include <stdlib.h> | ||
| #include <string.h> | ||
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| #include "sherpa-onnx/c-api/c-api.h" | ||
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| int32_t main() { | ||
| const char *wav_filename = | ||
| "./sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16/test_wavs/0.wav"; | ||
| const char *encoder_filename = | ||
| "sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16/encoder.int8.onnx"; | ||
| const char *decoder_filename = | ||
| "sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16/decoder.int8.onnx"; | ||
| const char *tokens_filename = | ||
| "sherpa-onnx-fire-red-asr-large-zh_en-2025-02-16/tokens.txt"; | ||
| const char *provider = "cpu"; | ||
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| const SherpaOnnxWave *wave = SherpaOnnxReadWave(wav_filename); | ||
| if (wave == NULL) { | ||
| fprintf(stderr, "Failed to read %s\n", wav_filename); | ||
| return -1; | ||
| } | ||
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| // 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.fire_red_asr.encoder = encoder_filename; | ||
| offline_model_config.fire_red_asr.decoder = decoder_filename; | ||
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| // 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; | ||
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| const SherpaOnnxOfflineRecognizer *recognizer = | ||
| SherpaOnnxCreateOfflineRecognizer(&recognizer_config); | ||
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| if (recognizer == NULL) { | ||
| fprintf(stderr, "Please check your config!\n"); | ||
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| SherpaOnnxFreeWave(wave); | ||
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| return -1; | ||
| } | ||
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| const SherpaOnnxOfflineStream *stream = | ||
| SherpaOnnxCreateOfflineStream(recognizer); | ||
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| SherpaOnnxAcceptWaveformOffline(stream, wave->sample_rate, wave->samples, | ||
| wave->num_samples); | ||
| SherpaOnnxDecodeOfflineStream(recognizer, stream); | ||
| const SherpaOnnxOfflineRecognizerResult *result = | ||
| SherpaOnnxGetOfflineStreamResult(stream); | ||
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| fprintf(stderr, "Decoded text: %s\n", result->text); | ||
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| SherpaOnnxDestroyOfflineRecognizerResult(result); | ||
| SherpaOnnxDestroyOfflineStream(stream); | ||
| SherpaOnnxDestroyOfflineRecognizer(recognizer); | ||
| SherpaOnnxFreeWave(wave); | ||
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| return 0; | ||
| } |
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