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src/bin/copy-post.cc
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// bin/copy-post.cc
// Copyright 2011-2012 Johns Hopkins University (Author: Daniel Povey) Chao Weng
// 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 "hmm/posterior.h"
int main(int argc, char *argv[]) {
try {
using namespace kaldi;
typedef kaldi::int32 int32;
const char *usage =
"Copy archives of posteriors, with optional scaling
"
"
"
"Usage: copy-post <post-rspecifier> <post-wspecifier>
"
"See also: post-to-weights, scale-post, sum-post, weight-post ...
";
BaseFloat scale = 1.0;
ParseOptions po(usage);
po.Register("scale", &scale, "Scale for posteriors");
po.Read(argc, argv);
if (po.NumArgs() != 2) {
po.PrintUsage();
exit(1);
}
std::string post_rspecifier = po.GetArg(1),
post_wspecifier = po.GetArg(2);
kaldi::SequentialPosteriorReader posterior_reader(post_rspecifier);
kaldi::PosteriorWriter posterior_writer(post_wspecifier);
int32 num_done = 0;
for (; !posterior_reader.Done(); posterior_reader.Next()) {
std::string key = posterior_reader.Key();
if (scale != 1.0) {
kaldi::Posterior posterior = posterior_reader.Value();
ScalePosterior(scale, &posterior);
posterior_writer.Write(key, posterior);
} else {
posterior_writer.Write(key, posterior_reader.Value());
}
num_done++;
}
KALDI_LOG << "Done copying " << num_done << " posteriors.";
return (num_done != 0 ? 0 : 1);
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}
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