paste_feats.sh
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#!/bin/bash
# Copyright 2014 Brno University of Technology (Author: Karel Vesely)
# Copyright 2012 Johns Hopkins University (Author: Daniel Povey)
# Apache 2.0
# This script appends the features in two or more data directories.
# To be run from .. (one directory up from here)
# see ../run.sh for example
# Begin configuration section.
cmd=run.pl
nj=4
length_tolerance=10 # length tolerance in frames (trim to shortest)
compress=true
# End configuration section.
echo "$0 $@" # Print the command line for logging
if [ -f path.sh ]; then . ./path.sh; fi
. parse_options.sh || exit 1;
if [ $# -lt 5 ]; then
echo "usage: $0 [options] <src-data-dir1> <src-data-dir2> [<src-data-dirN>] <dest-data-dir> <log-dir> <path-to-storage-dir>";
echo "e.g.: $0 data/train_mfcc data/train_bottleneck data/train_combined exp/append_mfcc_plp mfcc"
echo "options: "
echo " --cmd (utils/run.pl|utils/queue.pl <queue opts>) # how to run jobs."
exit 1;
fi
data_src_arr=(${@:1:$(($#-3))}) #array of source data-dirs
data=${@: -3: 1}
logdir=${@: -2: 1}
ark_dir=${@: -1: 1} #last arg.
data_src_first=${data_src_arr[0]} # get 1st src dir
# make $ark_dir an absolute pathname.
ark_dir=`perl -e '($dir,$pwd)= @ARGV; if($dir!~m:^/:) { $dir = "$pwd/$dir"; } print $dir; ' $ark_dir ${PWD}`
for data_src in ${data_src_arr[@]}; do
utils/split_data.sh $data_src $nj || exit 1;
done
mkdir -p $ark_dir $logdir
mkdir -p $data
cp $data_src_first/* $data/ 2>/dev/null # so we get the other files, such as utt2spk.
rm $data/cmvn.scp 2>/dev/null
rm $data/feats.scp 2>/dev/null
# use "name" as part of name of the archive.
name=`basename $data`
# get list of source scp's for pasting
data_src_args=
for data_src in ${data_src_arr[@]}; do
data_src_args="$data_src_args scp:$data_src/split$nj/JOB/feats.scp"
done
for n in $(seq $nj); do
# the next command does nothing unless $ark_dir/storage/ exists, see
# utils/create_data_link.pl for more info.
utils/create_data_link.pl $ark_dir/pasted_$name.$n.ark
done
$cmd JOB=1:$nj $logdir/append.JOB.log \
paste-feats --length-tolerance=$length_tolerance $data_src_args ark:- \| \
copy-feats --compress=$compress ark:- \
ark,scp:$ark_dir/pasted_$name.JOB.ark,$ark_dir/pasted_$name.JOB.scp || exit 1;
# concatenate the .scp files together.
for ((n=1; n<=nj; n++)); do
cat $ark_dir/pasted_$name.$n.scp >> $data/feats.scp || exit 1;
done > $data/feats.scp || exit 1;
nf=`cat $data/feats.scp | wc -l`
nu=`cat $data/utt2spk | wc -l`
if [ $nf -ne $nu ]; then
echo "It seems not all of the feature files were successfully processed ($nf != $nu);"
echo "consider using utils/fix_data_dir.sh $data"
fi
echo "Succeeded pasting features for $name into $data"