offline-tts.cc
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// sherpa-onnx/csrc/offline-tts.cc
//
// Copyright (c) 2023 Xiaomi Corporation
#include "sherpa-onnx/csrc/offline-tts.h"
#include <string>
#include "sherpa-onnx/csrc/file-utils.h"
#include "sherpa-onnx/csrc/macros.h"
#include "sherpa-onnx/csrc/offline-tts-impl.h"
#include "sherpa-onnx/csrc/text-utils.h"
namespace sherpa_onnx {
void OfflineTtsConfig::Register(ParseOptions *po) {
model.Register(po);
po->Register("tts-rule-fsts", &rule_fsts,
"It not empty, it contains a list of rule FST filenames."
"Multiple filenames are separated by a comma and they are "
"applied from left to right. An example value: "
"rule1.fst,rule2,fst,rule3.fst");
}
bool OfflineTtsConfig::Validate() const {
if (!rule_fsts.empty()) {
std::vector<std::string> files;
SplitStringToVector(rule_fsts, ",", false, &files);
for (const auto &f : files) {
if (!FileExists(f)) {
SHERPA_ONNX_LOGE("Rule fst %s does not exist. ", f.c_str());
return false;
}
}
}
return model.Validate();
}
std::string OfflineTtsConfig::ToString() const {
std::ostringstream os;
os << "OfflineTtsConfig(";
os << "model=" << model.ToString() << ", ";
os << "rule_fsts=\"" << rule_fsts << "\")";
return os.str();
}
OfflineTts::OfflineTts(const OfflineTtsConfig &config)
: impl_(OfflineTtsImpl::Create(config)) {}
#if __ANDROID_API__ >= 9
OfflineTts::OfflineTts(AAssetManager *mgr, const OfflineTtsConfig &config)
: impl_(OfflineTtsImpl::Create(mgr, config)) {}
#endif
OfflineTts::~OfflineTts() = default;
GeneratedAudio OfflineTts::Generate(const std::string &text, int64_t sid /*=0*/,
float speed /*= 1.0*/) const {
return impl_->Generate(text, sid, speed);
}
} // namespace sherpa_onnx