fstmakecontextsyms.cc File Reference

#include "tree/context-dep.h"
#include "util/common-utils.h"
#include "fst/fstlib.h"
#include "fstext/fstext-utils.h"
#include "fstext/context-fst.h"

Include dependency graph for fstmakecontextsyms.cc:

Go to the source code of this file.

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

Function Documentation

main()

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

Definition at line 55 of file fstmakecontextsyms.cc.

References fst::CreateILabelInfoSymbolTable(), ParseOptions::GetArg(), ParseOptions::GetOptArg(), KALDI_ERR, ParseOptions::NumArgs(), ParseOptions::PrintUsage(), ParseOptions::Read(), fst::ReadILabelInfo(), ParseOptions::Register(), and Input::Stream().

                                 {
  try {
    using namespace kaldi;
    using namespace fst;
    typedef fst::StdArc::Label Label;
    const char *usage =  "Create input symbols for CLG\n"
        "Usage: fstmakecontextsyms phones-symtab ilabels_input_file [output-symtab.txt]\n"
        "E.g.:  fstmakecontextsyms  phones.txt ilabels.sym > context_symbols.txt\n";

    ParseOptions po(usage);

    std::string disambig_list_file = "",
        phone_separator = "/",
        initial_disambig = "#-1";

    po.Register("phone-separator", &phone_separator,
                "Separator for phones in phone-in-context symbols.");
    po.Register("initial-disambig", &initial_disambig,
                "Name for special disambiguation symbol that occurs at start "
                "of context-dependent phone sequences");

    po.Read(argc, argv);

    if (po.NumArgs() < 2 || po.NumArgs() > 3) {
      po.PrintUsage();
      exit(1);
    }

    std::string phones_symtab_filename = po.GetArg(1),
        ilabel_info_filename = po.GetArg(2),
        clg_symtab_filename = po.GetOptArg(3);

    std::vector<std::vector<kaldi::int32> > ilabel_info;
    {
      bool binary;
      Input ki(ilabel_info_filename, &binary);
      ReadILabelInfo(ki.Stream(),
                     binary, &ilabel_info);
    }

    fst::SymbolTable *phones_symtab = NULL;
    {  // read phone symbol table.
      std::ifstream is(phones_symtab_filename.c_str());
      phones_symtab = fst::SymbolTable::ReadText(is, phones_symtab_filename);
      if (!phones_symtab) KALDI_ERR << "Could not read phones symbol-table file "<<phones_symtab_filename;
    }

    fst::SymbolTable *clg_symtab =
        CreateILabelInfoSymbolTable(ilabel_info,
                                    *phones_symtab,
                                    phone_separator,
                                    initial_disambig);

    if (clg_symtab_filename == "") {
      if (!clg_symtab->WriteText(std::cout))
        KALDI_ERR << "Cannot write symbol table to standard output.";
    } else {
      if (!clg_symtab->WriteText(clg_symtab_filename))
        KALDI_ERR << "Cannot open symbol table file "<<clg_symtab_filename<<" for writing.";
    }
    delete clg_symtab;
    delete phones_symtab;
    return 0;
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}