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src/ivectorbin/ivector-extractor-init.cc 2.02 KB
8dcb6dfcb   Yannick Estève   first commit
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  // ivectorbin/ivector-extractor-init.cc
  
  // Copyright 2013  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 "gmm/full-gmm.h"
  #include "ivector/ivector-extractor.h"
  
  
  int main(int argc, char *argv[]) {
    try {
      using namespace kaldi;
      using kaldi::int32;
  
      const char *usage =
          "Initialize ivector-extractor
  "
          "Usage:  ivector-extractor-init [options] <fgmm-in> <ivector-extractor-out>
  "
          "e.g.:
  "
          " ivector-extractor-init 4.fgmm 0.ie
  ";
  
      bool binary = true;
      IvectorExtractorOptions ivector_opts;
      ParseOptions po(usage);
      po.Register("binary", &binary, "Write output in binary mode");
      ivector_opts.Register(&po);
  
      po.Read(argc, argv);
  
      if (po.NumArgs() != 2) {
        po.PrintUsage();
        exit(1);
      }
  
  
      std::string fgmm_rxfilename = po.GetArg(1),
          ivector_extractor_wxfilename = po.GetArg(2);
  
      FullGmm fgmm;
      ReadKaldiObject(fgmm_rxfilename, &fgmm);
  
      IvectorExtractor extractor(ivector_opts, fgmm);
  
      WriteKaldiObject(extractor, ivector_extractor_wxfilename, binary);
  
      KALDI_LOG << "Initialized iVector extractor with iVector dimension "
                << extractor.IvectorDim() << " and wrote it to "
                << ivector_extractor_wxfilename;
      return 0;
    } catch(const std::exception &e) {
      std::cerr << e.what();
      return -1;
    }
  }