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egs/chime5/s5b/local/run_beamformit.sh 2.43 KB
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:
  cmd=run.pl
  bmf="1 2 3 4"
  
  . utils/parse_options.sh || exit 1;
  
  if [ $# != 3 ]; then
     echo "Wrong #arguments ($#, expected 3)"
     echo "Usage: local/run_beamformit.sh [options] <wav-in-dir> <wav-out-dir> <array-id>"
     echo "main options (for others, see top of script file)"
     echo "  --cmd <cmd>                              # Command to run in parallel with"
     echo "  --bmf \"1 2 3 4\"                        # microphones used for beamforming"
     exit 1;
  fi
  
  sdir=$1
  odir=$2
  array=$3
  expdir=exp/enhan/`echo $odir | awk -F '/' '{print $NF}'`_`echo $bmf | tr ' ' '_'`
  
  if ! command  -v BeamformIt &>/dev/null ; then
    echo "Missing BeamformIt, run 'cd $KALDI_ROOT/tools/; ./extras/install_beamformit.sh; cd -;'" && exit 1
  fi
  
  # 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 $expdir/log
  
  echo "Will use the following channels: $bmf"
  # number of channels
  numch=`echo $bmf | tr ' ' '
  ' | wc -l`
  echo "the number of channels: $numch"
  
  # wavfiles.list can be used as the name of the output files
  output_wavfiles=$expdir/wavfiles.list
  find -L ${sdir} | grep -i ${array} | awk -F "/" '{print $NF}' | sed -e "s/\.CH.\.wav//" | sort | uniq > $expdir/wavfiles.list
  
  # this is an input file list of the microphones
  # format: 1st_wav 2nd_wav ... nth_wav
  input_arrays=$expdir/channels_$numch
  for x in `cat $output_wavfiles`; do
    echo -n "$x"
    for ch in $bmf; do
      echo -n " $x.CH$ch.wav"
    done
    echo ""
  done > $input_arrays
  
  # split the list for parallel processing
  # number of jobs are set by the number of WAV files
  nj=`wc -l $expdir/wavfiles.list | awk '{print $1}'`
  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 > $expdir/log/beamform.$n.sh
  while read line; do
    $BEAMFORMIT/BeamformIt -s \$line -c $input_arrays \
      --config_file `pwd`/conf/beamformit.cfg \
      --source_dir $sdir \
      --result_dir $odir
  done < $output_wavfiles.$n
  EOF
  done
  
  chmod a+x $expdir/log/beamform.*.sh
  $cmd JOB=1:$nj $expdir/log/beamform.JOB.log \
    $expdir/log/beamform.JOB.sh
  
  echo "`basename $0` Done."