concat-feats.cc File Reference

#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "matrix/kaldi-matrix.h"

Include dependency graph for concat-feats.cc:

Go to the source code of this file.

Namespaces
	kaldi
	This code computes Goodness of Pronunciation (GOP) and extracts phone-level pronunciation feature for mispronunciations detection tasks, the reference:

Functions
void	ConcatFeats (const std::vector< Matrix< BaseFloat > > &in, Matrix< BaseFloat > *out)
int	main (int argc, char *argv[])

Function Documentation

main()

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

Definition at line 57 of file concat-feats.cc.

References kaldi::ConcatFeats(), ParseOptions::GetArg(), rnnlm::i, ParseOptions::NumArgs(), ParseOptions::PrintUsage(), ParseOptions::Read(), kaldi::ReadKaldiObject(), ParseOptions::Register(), and kaldi::WriteKaldiObject().

                                 {
  try {
    using namespace kaldi;
    using namespace std;

    const char *usage =
        "Concatenate feature files (assuming they have the same dimensions),\n"
        "so the output file has the sum of the num-frames of the inputs.\n"
        "Usage: concat-feats <in-rxfilename1> <in-rxfilename2> [<in-rxfilename3> ...] <out-wxfilename>\n"
        " e.g. concat-feats mfcc/foo.ark:12343 mfcc/foo.ark:56789 -\n"
        "See also: copy-feats, append-vector-to-feats, paste-feats\n";

    ParseOptions po(usage);

    bool binary = true;
    po.Register("binary", &binary, "If true, output files in binary "
                "(only relevant for single-file operation, i.e. no tables)");

    po.Read(argc, argv);

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

    std::vector<Matrix<BaseFloat> > feats(po.NumArgs() - 1);
    for (int32 i = 1; i < po.NumArgs(); i++)
      ReadKaldiObject(po.GetArg(i), &(feats[i-1]));
    Matrix<BaseFloat> output;
    ConcatFeats(feats, &output);
    std::string output_wxfilename = po.GetArg(po.NumArgs());
    WriteKaldiObject(output, output_wxfilename, binary);

    // This will tend to produce too much output if we have a logging mesage.
    // KALDI_LOG << "Wrote concatenated features to " << output_wxfilename;
    return 0;
  } catch(const std::exception &e) {
    std::cerr << e.what();
    return -1;
  }
}