sum-tree-stats.cc
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// bin/sum-tree-stats.cc
// Copyright 2009-2011 Microsoft Corporation, GoVivace Inc.
// 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 "tree/context-dep.h"
#include "tree/clusterable-classes.h"
#include "tree/build-tree-utils.h"
int main(int argc, char *argv[]) {
using namespace kaldi;
typedef kaldi::int32 int32;
try {
const char *usage =
"Sum statistics for phonetic-context tree building.\n"
"Usage: sum-tree-stats [options] tree-accs-out tree-accs-in1 tree-accs-in2 ...\n"
"e.g.: \n"
" sum-tree-stats treeacc 1.treeacc 2.treeacc 3.treeacc\n";
ParseOptions po(usage);
bool binary = true;
po.Register("binary", &binary, "Write output in binary mode");
po.Read(argc, argv);
if (po.NumArgs() < 2) {
po.PrintUsage();
exit(1);
}
std::map<EventType, Clusterable*> tree_stats;
std::string tree_stats_wxfilename = po.GetArg(1);
// A reminder on what BuildTreeStatsType is:
// typedef std::vector<std::pair<EventType, Clusterable*> > BuildTreeStatsType;
for (int32 arg = 2; arg <= po.NumArgs(); arg++) {
std::string tree_stats_rxfilename = po.GetArg(arg);
bool binary_in;
Input ki(tree_stats_rxfilename, &binary_in);
BuildTreeStatsType stats_array;
GaussClusterable example; // Lets ReadBuildTreeStats know which type to read..
ReadBuildTreeStats(ki.Stream(), binary_in, example, &stats_array);
for (BuildTreeStatsType::iterator iter = stats_array.begin();
iter != stats_array.end(); ++iter) {
EventType e = iter->first;
Clusterable *c = iter->second;
std::map<EventType, Clusterable*>::iterator map_iter = tree_stats.find(e);
if (map_iter == tree_stats.end()) { // Not already present.
tree_stats[e] = c;
} else {
map_iter->second->Add(*c);
delete c;
}
}
}
BuildTreeStatsType stats; // vectorized form.
for (std::map<EventType, Clusterable*>::const_iterator iter = tree_stats.begin();
iter != tree_stats.end();
++iter) {
stats.push_back(std::make_pair(iter->first, iter->second));
}
tree_stats.clear();
{
Output ko(tree_stats_wxfilename, binary);
WriteBuildTreeStats(ko.Stream(), binary, stats);
}
KALDI_LOG << "Wrote summed accs ( " << stats.size() << " individual stats)";
DeleteBuildTreeStats(&stats);
return (stats.size() != 0 ? 0 : 1);
} catch(const std::exception &e) {
std::cerr << e.what();
return -1;
}
}