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FunASR/runtime/onnxruntime/third_party/openfst/src/bin/fstdisambiguate-main.cc
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freedakgmail 6116b1f3c6
Update API Documentation / build-api-docs (push) Has been cancelled
Initial commit: FunASR Speech Recognition Toolkit
Add complete FunASR codebase including models, runtime, and documentation.
2026-07-09 22:38:58 +08:00

55 lines
1.4 KiB
C++

// See www.openfst.org for extensive documentation on this weighted
// finite-state transducer library.
//
// Disambiguates an FST.
#include <cstring>
#include <memory>
#include <string>
#include <fst/flags.h>
#include <fst/script/disambiguate.h>
DECLARE_double(delta);
DECLARE_int64(nstate);
DECLARE_string(weight);
DECLARE_int64(subsequential_label);
int fstdisambiguate_main(int argc, char **argv) {
namespace s = fst::script;
using fst::script::FstClass;
using fst::script::VectorFstClass;
using fst::script::WeightClass;
string usage = "Disambiguates an FST.\n\n Usage: ";
usage += argv[0];
usage += " [in.fst [out.fst]]\n";
std::set_new_handler(FailedNewHandler);
SET_FLAGS(usage.c_str(), &argc, &argv, true);
if (argc > 3) {
ShowUsage();
return 1;
}
const string in_name = (argc > 1 && strcmp(argv[1], "-") != 0) ? argv[1] : "";
const string out_name = argc > 2 ? argv[2] : "";
std::unique_ptr<FstClass> ifst(FstClass::Read(in_name));
if (!ifst) return 1;
VectorFstClass ofst(ifst->ArcType());
const auto weight_threshold =
FLAGS_weight.empty() ? WeightClass::Zero(ifst->WeightType())
: WeightClass(ifst->WeightType(), FLAGS_weight);
const s::DisambiguateOptions opts(FLAGS_delta, weight_threshold, FLAGS_nstate,
FLAGS_subsequential_label);
s::Disambiguate(*ifst, &ofst, opts);
return !ofst.Write(out_name);
}