fstaddsubsequentialloop.cc File Reference

#include "base/kaldi-common.h"
#include "util/kaldi-io.h"
#include "util/parse-options.h"
#include "util/text-utils.h"
#include "fst/fstlib.h"
#include "fstext/fstext-utils.h"
#include "fstext/context-fst.h"
#include "fstext/kaldi-fst-io.h"

Include dependency graph for fstaddsubsequentialloop.cc:

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Functions
int	main (int argc, char *argv[])

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Definition at line 37 of file fstaddsubsequentialloop.cc.

References fst::AddSubsequentialLoop(), kaldi::ConvertStringToInteger(), ParseOptions::GetArg(), ParseOptions::GetOptArg(), fst::HighestNumberedInputSymbol(), KALDI_ERR, ParseOptions::NumArgs(), ParseOptions::PrintUsage(), ParseOptions::Read(), fst::ReadFstKaldi(), ParseOptions::Register(), and fst::WriteFstKaldi().

                                 {
  try {
    using namespace kaldi;
    using namespace fst;
    using kaldi::int32;

    const char *usage =
        "Minimizes FST after encoding [this algorithm applicable to all FSTs in tropical semiring]\n"
        "\n"
        "Usage:  fstaddsubsequentialloop subseq_sym [in.fst [out.fst] ]\n"
        "E.g.:   fstaddsubsequentialloop 52 < LG.fst > LG_sub.fst\n";

    float delta = kDelta;
    ParseOptions po(usage);
    po.Register("delta", &delta,
                "Delta likelihood used for quantization of weights");
    po.Read(argc, argv);

    if (po.NumArgs() < 1 || po.NumArgs() > 3) {
      po.PrintUsage();
      exit(1);
    }

    int32 subseq_sym;
    if (!ConvertStringToInteger(po.GetArg(1), &subseq_sym))
      KALDI_ERR << "Invalid subsequential symbol "<<po.GetArg(1);

    std::string fst_in_filename = po.GetOptArg(2);

    std::string fst_out_filename = po.GetOptArg(3);

    VectorFst<StdArc> *fst = ReadFstKaldi(fst_in_filename);

    int32 h = HighestNumberedInputSymbol(*fst);
    if (subseq_sym <= h) {
      std::cerr << "fstaddsubsequentialloop.cc: subseq symbol does not seem right, "<<subseq_sym<<" <= "<<h<<'\n';
    }

    AddSubsequentialLoop(subseq_sym, fst);

    WriteFstKaldi(*fst, fst_out_filename);
    delete fst;
    return 0;
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}