Initial commit: FunASR Speech Recognition Toolkit

Add complete FunASR codebase including models, runtime, and documentation.
2026-07-09 22:38:58 +08:00
commit 6116b1f3c6
3683 changed files with 990984 additions and 0 deletions
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+// 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);
+}