ali-to-pdf.cc File Reference

#include "base/kaldi-common.h"
#include "gmm/am-diag-gmm.h"
#include "hmm/transition-model.h"
#include "hmm/hmm-utils.h"
#include "util/common-utils.h"
#include "fst/fstlib.h"

Include dependency graph for ali-to-pdf.cc:

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Functions
int	main (int argc, char *argv[])
	Converts alignments (containing transition-ids) to pdf-ids, zero-based. More...

Function Documentation

main()

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

Converts alignments (containing transition-ids) to pdf-ids, zero-based.

Definition at line 29 of file ali-to-pdf.cc.

References SequentialTableReader< Holder >::Done(), ParseOptions::GetArg(), rnnlm::i, KALDI_LOG, SequentialTableReader< Holder >::Key(), SequentialTableReader< Holder >::Next(), ParseOptions::NumArgs(), ParseOptions::PrintUsage(), ParseOptions::Read(), kaldi::ReadKaldiObject(), TransitionModel::TransitionIdToPdf(), SequentialTableReader< Holder >::Value(), and TableWriter< Holder >::Write().

                                 {
  using namespace kaldi;
  typedef kaldi::int32 int32;
  try {
    const char *usage =
        "Converts alignments (containing transition-ids) to pdf-ids, zero-based.\n"
        "Usage:  ali-to-pdf  [options] <model> <alignments-rspecifier> <pdfs-wspecifier>\n"
        "e.g.: \n"
        " ali-to-pdf 1.mdl ark:1.ali ark,t:-\n";
    ParseOptions po(usage);

    po.Read(argc, argv);

    if (po.NumArgs() != 3) {
      po.PrintUsage();
      exit(1);
    }

    std::string model_filename = po.GetArg(1),
        alignments_rspecifier = po.GetArg(2),
        pdfs_wspecifier = po.GetArg(3);

    TransitionModel trans_model;
    ReadKaldiObject(model_filename, &trans_model);

    SequentialInt32VectorReader reader(alignments_rspecifier);

    Int32VectorWriter writer(pdfs_wspecifier);
    int32 num_done = 0;
    for (; !reader.Done(); reader.Next()) {
      std::string key = reader.Key();
      std::vector<int32> alignment = reader.Value();

      for (size_t i = 0; i < alignment.size(); i++)
        alignment[i] = trans_model.TransitionIdToPdf(alignment[i]);

      writer.Write(key, alignment);
      num_done++;
    }
    KALDI_LOG << "Converted " << num_done << " alignments to pdf sequences.";
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}