lattice-rmali.cc
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// latbin/lattice-rmali.cc
// Copyright 2009-2011 Microsoft Corporation
// 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 "fstext/fstext-lib.h"
#include "lat/kaldi-lattice.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
typedef kaldi::int32 int32;
typedef kaldi::int64 int64;
using fst::SymbolTable;
using fst::VectorFst;
using fst::StdArc;
const char *usage =
"Remove state-sequences from lattice weights\n"
"Usage: lattice-rmali [options] lattice-rspecifier lattice-wspecifier\n"
" e.g.: lattice-rmali ark:1.lats ark:proj.lats\n";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 2) {
po.PrintUsage();
exit(1);
}
std::string lats_rspecifier = po.GetArg(1),
lats_wspecifier = po.GetArg(2);
SequentialCompactLatticeReader lattice_reader(lats_rspecifier);
// Write as compact lattice.
CompactLatticeWriter compact_lattice_writer(lats_wspecifier);
int32 n_done = 0; // there is no failure mode, barring a crash.
for (; !lattice_reader.Done(); lattice_reader.Next()) {
std::string key = lattice_reader.Key();
CompactLattice clat = lattice_reader.Value();
lattice_reader.FreeCurrent();
RemoveAlignmentsFromCompactLattice(&clat);
compact_lattice_writer.Write(key, clat);
n_done++;
}
KALDI_LOG << "Done removing alignments from " << n_done << " lattices.";
return (n_done != 0 ? 0 : 1);
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}