append-vector-to-feats.cc
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// featbin/append-vector-to-feats.cc
// Copyright 2012 Korbinian Riedhammer
// 2013 Brno University of Technology (Author: Karel Vesely)
// 2013-2014 Johns Hopkins University (Author: Daniel Povey)
// See ../../COPYING for clarification regarding multiple authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// THIS CODE IS PROVIDED *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
// WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
// MERCHANTABLITY OR NON-INFRINGEMENT.
// See the Apache 2 License for the specific language governing permissions and
// limitations under the License.
#include "base/kaldi-common.h"
#include "util/common-utils.h"
#include "matrix/kaldi-matrix.h"
namespace kaldi {
void AppendVectorToFeats(const Matrix<BaseFloat> &in,
const Vector<BaseFloat> &vec,
Matrix<BaseFloat> *out) {
// Check inputs,
KALDI_ASSERT(in.NumRows() != 0);
// Build the output matrix,
out->Resize(in.NumRows(), in.NumCols() + vec.Dim());
out->ColRange(0, in.NumCols()).CopyFromMat(in);
out->ColRange(in.NumCols(), vec.Dim()).CopyRowsFromVec(vec);
}
} // namespace kaldi,
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
using namespace std;
const char *usage =
"Append a vector to each row of input feature files\n"
"\n"
"Usage: append-vector-to-feats <in-rspecifier1> <in-rspecifier2> <out-wspecifier>\n"
" or: append-vector-to-feats <in-rxfilename1> <in-rxfilename2> <out-wxfilename>\n"
"See also: paste-feats, concat-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);
}
if (ClassifyRspecifier(po.GetArg(1), NULL, NULL)
!= kNoRspecifier) {
// We're operating on tables, e.g. archives.
string feat_rspecifier = po.GetArg(1);
SequentialBaseFloatMatrixReader feat_reader(feat_rspecifier);
string vec_rspecifier = po.GetArg(2);
RandomAccessBaseFloatVectorReader vec_reader(vec_rspecifier);
string wspecifier = po.GetArg(3);
BaseFloatMatrixWriter feat_writer(wspecifier);
int32 num_done = 0, num_err = 0;
// Main loop
for (; !feat_reader.Done(); feat_reader.Next()) {
string utt = feat_reader.Key();
KALDI_VLOG(2) << "Processing utterance " << utt;
const Matrix<BaseFloat> &feats(feat_reader.Value());
if (!vec_reader.HasKey(utt)) {
KALDI_WARN << "Could not read vector for utterance " << utt;
num_err++;
continue;
}
const Vector<BaseFloat> &vec(vec_reader.Value(utt));
Matrix<BaseFloat> output;
AppendVectorToFeats(feats, vec, &output);
feat_writer.Write(utt, output);
num_done++;
}
KALDI_LOG << "Done " << num_done << " utts, errors on "
<< num_err;
return (num_done == 0 ? -1 : 0);
} else {
// We're operating on rxfilenames|wxfilenames, most likely files.
Matrix<BaseFloat> mat;
ReadKaldiObject(po.GetArg(1), &mat);
Vector<BaseFloat> vec;
ReadKaldiObject(po.GetArg(2), &vec);
Matrix<BaseFloat> output;
AppendVectorToFeats(mat, vec, &output);
std::string output_wxfilename = po.GetArg(3);
WriteKaldiObject(output, output_wxfilename, binary);
KALDI_LOG << "Wrote appended features to " << output_wxfilename;
return 0;
}
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
/*
Testing:
cat <<EOF >1.mat
[ 0 1 2
3 4 5
8 9 10 ]
EOF
cat <<EOF > 2.vec
[ 0 1 ]
EOF
append-vector-to-feats --binary=false 1.mat 2.vec 3a.mat
cat <<EOF > 3b.mat
[ 0 1 2 0 1
3 4 5 0 1
8 9 10 0 1 ]
EOF
cmp <(../bin/copy-matrix 3b.mat -) <(../bin/copy-matrix 3a.mat -) || echo 'Bad!'
append-vector-to-feats 'scp:echo foo 1.mat|' 'scp:echo foo 2.vec|' 'scp,t:echo foo 3a.mat|'
cmp <(../bin/copy-matrix 3b.mat -) <(../bin/copy-matrix 3a.mat -) || echo 'Bad!'
rm {1,3?}.mat 2.vec
*/