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src/bin/show-alignments.cc
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// bin/show-alignments.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 "hmm/transition-model.h"
#include "hmm/hmm-utils.h"
#include "util/common-utils.h"
#include "fst/fstlib.h"
int main(int argc, char *argv[]) {
using namespace kaldi;
typedef kaldi::int32 int32;
try {
const char *usage =
"Display alignments in human-readable form
"
"Usage: show-alignments [options] <phone-syms> <model> <alignments-rspecifier>
"
"e.g.:
"
" show-alignments phones.txt 1.mdl ark:1.ali
"
"See also: ali-to-phones, copy-int-vector
";
ParseOptions po(usage);
po.Read(argc, argv);
if (po.NumArgs() != 3) {
po.PrintUsage();
exit(1);
}
std::string phones_symtab_filename = po.GetArg(1),
model_filename = po.GetArg(2),
alignments_rspecifier = po.GetArg(3);
TransitionModel trans_model;
ReadKaldiObject(model_filename, &trans_model);
fst::SymbolTable *phones_symtab = NULL;
{
std::ifstream is(phones_symtab_filename.c_str());
phones_symtab = fst::SymbolTable::ReadText(is, phones_symtab_filename);
if (!phones_symtab || phones_symtab->NumSymbols() == 0)
KALDI_ERR << "Error opening symbol table file "<<phones_symtab_filename;
}
SequentialInt32VectorReader reader(alignments_rspecifier);
for (; !reader.Done(); reader.Next()) {
std::string key = reader.Key();
const std::vector<int32> &alignment = reader.Value();
std::vector<std::vector<int32> > split;
SplitToPhones(trans_model, alignment, &split);
// split_str is the numerical form of the alignments..
std::vector<std::string> split_str(split.size());
std::vector<std::string> split_str_phones(split.size());
for (size_t i = 0; i < split.size(); i++) {
std::ostringstream ss;
ss << "[ ";
for (size_t j = 0; j < split[i].size(); j++)
ss << split[i][j] << " ";
ss << "] ";
split_str[i] = ss.str();
int32 tid = split[i][0],
tstate = trans_model.TransitionIdToTransitionState(tid),
phone = trans_model.TransitionStateToPhone(tstate);
split_str_phones[i] =
phones_symtab->Find(phone) + " ";
std::string space;
int len = abs(static_cast<int>(split_str[i].size())-
static_cast<int>(split_str_phones[i].size()));
for (int j = 0; j < len; j++)
space += " ";
if (split_str[i].size() < split_str_phones[i].size())
split_str[i] += space;
else
split_str_phones[i] += space;
}
std::cout << key << " ";
for (size_t i = 0; i < split_str.size(); i++)
std::cout << split_str[i];
std::cout << '
';
std::cout << key << " ";
for (size_t i = 0; i < split_str_phones.size(); i++)
std::cout << split_str_phones[i];
std::cout << '
';
std::cout << '
';
}
delete phones_symtab;
phones_symtab = NULL;
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
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