fgmm-global-sum-accs.cc
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// fgmmbin/fgmm-global-sum-accs.cc
// Copyright 2009-2011 Saarland University; 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 "util/common-utils.h"
#include "gmm/full-gmm.h"
#include "gmm/mle-full-gmm.h"
int main(int argc, char *argv[]) {
try {
typedef kaldi::int32 int32;
const char *usage =
"Sum multiple accumulated stats files for full-covariance GMM "
"training.\n"
"Usage: fgmm-global-sum-accs [options] stats-out stats-in1 stats-in2 ...\n";
bool binary = true;
kaldi::ParseOptions po(usage);
po.Register("binary", &binary, "Write output in binary mode");
po.Read(argc, argv);
if (po.NumArgs() < 2) {
po.PrintUsage();
exit(1);
}
std::string stats_out_filename = po.GetArg(1);
kaldi::AccumFullGmm gmm_accs;
for (int i = 2, max = po.NumArgs(); i <= max; i++) {
std::string stats_in_filename = po.GetArg(i);
bool binary_read;
kaldi::Input ki(stats_in_filename, &binary_read);
gmm_accs.Read(ki.Stream(), binary_read, true /*add read values*/);
}
// Write out the accs
{
kaldi::Output ko(stats_out_filename, binary);
gmm_accs.Write(ko.Stream(), binary);
}
KALDI_LOG << "Written stats to " << stats_out_filename;
} catch(const std::exception &e) {
std::cerr << e.what() << '\n';
return -1;
}
}