offline-sense-voice-model.cc
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// sherpa-onnx/csrc/offline-sense-voice-model.cc
//
// Copyright (c) 2022-2023 Xiaomi Corporation
#include "sherpa-onnx/csrc/offline-sense-voice-model.h"
#include <algorithm>
#include <string>
#include <utility>
#include "sherpa-onnx/csrc/macros.h"
#include "sherpa-onnx/csrc/onnx-utils.h"
#include "sherpa-onnx/csrc/session.h"
#include "sherpa-onnx/csrc/text-utils.h"
namespace sherpa_onnx {
class OfflineSenseVoiceModel::Impl {
public:
explicit Impl(const OfflineModelConfig &config)
: config_(config),
env_(ORT_LOGGING_LEVEL_ERROR),
sess_opts_(GetSessionOptions(config)),
allocator_{} {
auto buf = ReadFile(config_.sense_voice.model);
Init(buf.data(), buf.size());
}
#if __ANDROID_API__ >= 9
Impl(AAssetManager *mgr, const OfflineModelConfig &config)
: config_(config),
env_(ORT_LOGGING_LEVEL_ERROR),
sess_opts_(GetSessionOptions(config)),
allocator_{} {
auto buf = ReadFile(mgr, config_.sense_voice.model);
Init(buf.data(), buf.size());
}
#endif
Ort::Value Forward(Ort::Value features, Ort::Value features_length,
Ort::Value language, Ort::Value text_norm) {
std::array<Ort::Value, 4> inputs = {
std::move(features),
std::move(features_length),
std::move(language),
std::move(text_norm),
};
auto ans =
sess_->Run({}, input_names_ptr_.data(), inputs.data(), inputs.size(),
output_names_ptr_.data(), output_names_ptr_.size());
return std::move(ans[0]);
}
const OfflineSenseVoiceModelMetaData &GetModelMetadata() const {
return meta_data_;
}
OrtAllocator *Allocator() const { return allocator_; }
private:
void Init(void *model_data, size_t model_data_length) {
sess_ = std::make_unique<Ort::Session>(env_, model_data, model_data_length,
sess_opts_);
GetInputNames(sess_.get(), &input_names_, &input_names_ptr_);
GetOutputNames(sess_.get(), &output_names_, &output_names_ptr_);
// get meta data
Ort::ModelMetadata meta_data = sess_->GetModelMetadata();
if (config_.debug) {
std::ostringstream os;
PrintModelMetadata(os, meta_data);
SHERPA_ONNX_LOGE("%s\n", os.str().c_str());
}
Ort::AllocatorWithDefaultOptions allocator; // used in the macro below
SHERPA_ONNX_READ_META_DATA(meta_data_.vocab_size, "vocab_size");
SHERPA_ONNX_READ_META_DATA(meta_data_.window_size, "lfr_window_size");
SHERPA_ONNX_READ_META_DATA(meta_data_.window_shift, "lfr_window_shift");
SHERPA_ONNX_READ_META_DATA(meta_data_.normalize_samples,
"normalize_samples");
SHERPA_ONNX_READ_META_DATA(meta_data_.with_itn_id, "with_itn");
SHERPA_ONNX_READ_META_DATA(meta_data_.without_itn_id, "without_itn");
int32_t lang_auto = 0;
int32_t lang_zh = 0;
int32_t lang_en = 0;
int32_t lang_ja = 0;
int32_t lang_ko = 0;
int32_t lang_yue = 0;
SHERPA_ONNX_READ_META_DATA(lang_auto, "lang_auto");
SHERPA_ONNX_READ_META_DATA(lang_zh, "lang_zh");
SHERPA_ONNX_READ_META_DATA(lang_en, "lang_en");
SHERPA_ONNX_READ_META_DATA(lang_ja, "lang_ja");
SHERPA_ONNX_READ_META_DATA(lang_ko, "lang_ko");
SHERPA_ONNX_READ_META_DATA(lang_yue, "lang_yue");
meta_data_.lang2id = {
{"auto", lang_auto}, {"zh", lang_zh}, {"en", lang_en},
{"ja", lang_ja}, {"ko", lang_ko}, {"yue", lang_yue},
};
SHERPA_ONNX_READ_META_DATA_VEC_FLOAT(meta_data_.neg_mean, "neg_mean");
SHERPA_ONNX_READ_META_DATA_VEC_FLOAT(meta_data_.inv_stddev, "inv_stddev");
}
private:
OfflineModelConfig config_;
Ort::Env env_;
Ort::SessionOptions sess_opts_;
Ort::AllocatorWithDefaultOptions allocator_;
std::unique_ptr<Ort::Session> sess_;
std::vector<std::string> input_names_;
std::vector<const char *> input_names_ptr_;
std::vector<std::string> output_names_;
std::vector<const char *> output_names_ptr_;
OfflineSenseVoiceModelMetaData meta_data_;
};
OfflineSenseVoiceModel::OfflineSenseVoiceModel(const OfflineModelConfig &config)
: impl_(std::make_unique<Impl>(config)) {}
#if __ANDROID_API__ >= 9
OfflineSenseVoiceModel::OfflineSenseVoiceModel(AAssetManager *mgr,
const OfflineModelConfig &config)
: impl_(std::make_unique<Impl>(mgr, config)) {}
#endif
OfflineSenseVoiceModel::~OfflineSenseVoiceModel() = default;
Ort::Value OfflineSenseVoiceModel::Forward(Ort::Value features,
Ort::Value features_length,
Ort::Value language,
Ort::Value text_norm) const {
return impl_->Forward(std::move(features), std::move(features_length),
std::move(language), std::move(text_norm));
}
const OfflineSenseVoiceModelMetaData &OfflineSenseVoiceModel::GetModelMetadata()
const {
return impl_->GetModelMetadata();
}
OrtAllocator *OfflineSenseVoiceModel::Allocator() const {
return impl_->Allocator();
}
} // namespace sherpa_onnx