85 lines
2.7 KiB
C
85 lines
2.7 KiB
C
// c-api-examples/kokoro-tts-en-c-api.c
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//
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// Copyright (c) 2025 Xiaomi Corporation
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// This file shows how to use sherpa-onnx C API
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// for English TTS with Kokoro.
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//
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// clang-format off
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/*
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Usage
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wget https://github.com/k2-fsa/sherpa-onnx/releases/download/tts-models/kokoro-en-v0_19.tar.bz2
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tar xf kokoro-en-v0_19.tar.bz2
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rm kokoro-en-v0_19.tar.bz2
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./kokoro-tts-en-c-api
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*/
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// clang-format on
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sherpa-onnx/c-api/c-api.h"
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static int32_t ProgressCallback(const float *samples, int32_t num_samples,
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float progress) {
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fprintf(stderr, "Progress: %.3f%%\n", progress * 100);
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// return 1 to continue generating
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// return 0 to stop generating
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return 1;
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}
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int32_t main(int32_t argc, char *argv[]) {
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SherpaOnnxOfflineTtsConfig config;
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memset(&config, 0, sizeof(config));
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config.model.kokoro.model = "./kokoro-en-v0_19/model.onnx";
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config.model.kokoro.voices = "./kokoro-en-v0_19/voices.bin";
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config.model.kokoro.tokens = "./kokoro-en-v0_19/tokens.txt";
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config.model.kokoro.data_dir = "./kokoro-en-v0_19/espeak-ng-data";
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config.model.num_threads = 2;
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// If you don't want to see debug messages, please set it to 0
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config.model.debug = 1;
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const char *filename = "./generated-kokoro-en.wav";
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const char *text =
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"Today as always, men fall into two groups: slaves and free men. Whoever "
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"does not have two-thirds of his day for himself, is a slave, whatever "
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"he may be: a statesman, a businessman, an official, or a scholar. "
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"Friends fell out often because life was changing so fast. The easiest "
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"thing in the world was to lose touch with someone.";
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const SherpaOnnxOfflineTts *tts = SherpaOnnxCreateOfflineTts(&config);
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// mapping of sid to voice name
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// 0->af, 1->af_bella, 2->af_nicole, 3->af_sarah, 4->af_sky, 5->am_adam
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// 6->am_michael, 7->bf_emma, 8->bf_isabella, 9->bm_george, 10->bm_lewis
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int32_t sid = 0;
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float speed = 1.0; // larger -> faster in speech speed
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#if 0
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// If you don't want to use a callback, then please enable this branch
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const SherpaOnnxGeneratedAudio *audio =
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SherpaOnnxOfflineTtsGenerate(tts, text, sid, speed);
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#else
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const SherpaOnnxGeneratedAudio *audio =
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SherpaOnnxOfflineTtsGenerateWithProgressCallback(tts, text, sid, speed,
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ProgressCallback);
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#endif
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SherpaOnnxWriteWave(audio->samples, audio->n, audio->sample_rate, filename);
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SherpaOnnxDestroyOfflineTtsGeneratedAudio(audio);
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SherpaOnnxDestroyOfflineTts(tts);
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fprintf(stderr, "Input text is: %s\n", text);
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fprintf(stderr, "Speaker ID is is: %d\n", sid);
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fprintf(stderr, "Saved to: %s\n", filename);
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return 0;
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}
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