73 lines
1.9 KiB
C++
73 lines
1.9 KiB
C++
// sherpa-onnx/csrc/offline-tts.h
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//
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// Copyright (c) 2023 Xiaomi Corporation
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#ifndef SHERPA_ONNX_CSRC_OFFLINE_TTS_H_
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#define SHERPA_ONNX_CSRC_OFFLINE_TTS_H_
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#include <cstdint>
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#include <memory>
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#include <string>
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#include <vector>
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#if __ANDROID_API__ >= 9
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#include "android/asset_manager.h"
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#include "android/asset_manager_jni.h"
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#endif
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#include "sherpa-onnx/csrc/offline-tts-model-config.h"
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#include "sherpa-onnx/csrc/parse-options.h"
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namespace sherpa_onnx {
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struct OfflineTtsConfig {
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OfflineTtsModelConfig model;
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// If not empty, it contains a list of rule FST filenames.
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// Filenames are separated by a comma.
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// Example value: rule1.fst,rule2,fst,rule3.fst
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//
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// If there are multiple rules, they are applied from left to right.
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std::string rule_fsts;
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OfflineTtsConfig() = default;
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OfflineTtsConfig(const OfflineTtsModelConfig &model,
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const std::string &rule_fsts)
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: model(model), rule_fsts(rule_fsts) {}
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void Register(ParseOptions *po);
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bool Validate() const;
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std::string ToString() const;
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};
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struct GeneratedAudio {
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std::vector<float> samples;
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int32_t sample_rate;
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};
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class OfflineTtsImpl;
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class OfflineTts {
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public:
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~OfflineTts();
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explicit OfflineTts(const OfflineTtsConfig &config);
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#if __ANDROID_API__ >= 9
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OfflineTts(AAssetManager *mgr, const OfflineTtsConfig &config);
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#endif
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// @param text A string containing words separated by spaces
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// @param sid Speaker ID. Used only for multi-speaker models, e.g., models
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// trained using the VCTK dataset. It is not used for
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// single-speaker models, e.g., models trained using the ljspeech
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// dataset.
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GeneratedAudio Generate(const std::string &text, int64_t sid = 0,
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float speed = 1.0) const;
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private:
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std::unique_ptr<OfflineTtsImpl> impl_;
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};
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} // namespace sherpa_onnx
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#endif // SHERPA_ONNX_CSRC_OFFLINE_TTS_H_
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