Yannick Estève / ONTRAC-Kaldi

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egs/chime4/s5_1ch/local/run_beamform_2ch_track.sh 2.37 KB
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8dcb6dfcb   Yannick Estève   first commit 
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  #!/bin/bash
  
  # Copyright 2015, Mitsubishi Electric Research Laboratories, MERL (Author: Shinji Watanabe)
  
  . ./cmd.sh
  . ./path.sh
  
  # Config:
  nj=10
  cmd=run.pl
  
  . utils/parse_options.sh || exit 1;
  
  if [ $# != 2 ]; then
     echo "Wrong #arguments ($#, expected 3)"
     echo "Usage: local/run_beamform_2ch_track.sh [options] <wav-in-dir> <wav-out-dir>"
     echo "main options (for others, see top of script file)"
     echo "  --nj <nj>                                # number of parallel jobs"
     echo "  --cmd <cmd>                              # Command to run in parallel with"
     exit 1;
  fi
  
  sdir=$1
  odir=$2
  
  wdir=data/beamforming_2ch_track
  
  if [ -z $BEAMFORMIT ] ; then
    export BEAMFORMIT=$KALDI_ROOT/tools/extras/BeamformIt
  fi
  export PATH=${PATH}:$BEAMFORMIT
  ! hash BeamformIt && echo "Missing BeamformIt, run 'cd ../../../tools/; extras/install_beamformit.sh;'" && exit 1
  
  # Set bash to 'debug' mode, it will exit on :
  # -e 'error', -u 'undefined variable', -o ... 'error in pipeline', -x 'print commands',
  set -e
  set -u
  set -o pipefail
  
  mkdir -p $odir
  mkdir -p $wdir/log
  
  allwavs=`find $sdir/ | grep "\.wav" | tr ' ' '
  ' | awk -F '/' '{print $(NF-1)"/"$NF}'`
  
  # wavfiles.list can be used as the name of the output files
  output_wavfiles=$wdir/wavfiles.list
  echo $allwavs | tr ' ' '
  ' | awk -F '.' '{print $1}' | sort | uniq > $output_wavfiles
  
  # channel list
  input_arrays=$wdir/channels
  echo $allwavs | tr ' ' '
  ' | sort | awk 'NR%2==1' > $wdir/channels.1st
  echo $allwavs | tr ' ' '
  ' | sort | awk 'NR%2==0' > $wdir/channels.2nd
  paste -d" " $output_wavfiles $wdir/channels.1st $wdir/channels.2nd > $input_arrays
  
  # split the list for parallel processing
  split_wavfiles=""
  for n in `seq $nj`; do
    split_wavfiles="$split_wavfiles $output_wavfiles.$n"
  done
  utils/split_scp.pl $output_wavfiles $split_wavfiles || exit 1;
  
  echo -e "Beamforming
  "
  # making a shell script for each job
  for n in `seq $nj`; do
  cat << EOF > $wdir/log/beamform.$n.sh
  while read line; do
    $BEAMFORMIT/BeamformIt -s \$line -c $input_arrays \
      --config_file `pwd`/conf/chime4.cfg \
      --source_dir $sdir \
      --result_dir $odir
  done < $output_wavfiles.$n
  EOF
  done
  # making a subdirectory for the output wav files
  for x in `awk -F '/' '{print $1}' $output_wavfiles | sort | uniq`; do
    mkdir -p $odir/$x
  done
  
  chmod a+x $wdir/log/beamform.*.sh
  $cmd JOB=1:$nj $wdir/log/beamform.JOB.log \
    $wdir/log/beamform.JOB.sh
  
  echo "`basename $0` Done."