FunASR/egs/librispeech/conformer/local/data_prep.sh
2023-05-11 16:36:20 +08:00

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#!/usr/bin/env bash
# Copyright 2014 Vassil Panayotov
# 2014 Johns Hopkins University (author: Daniel Povey)
# Apache 2.0
if [ "$#" -ne 2 ]; then
echo "Usage: $0 <src-dir> <dst-dir>"
echo "e.g.: $0 /export/a15/vpanayotov/data/LibriSpeech/dev-clean data/dev-clean"
exit 1
fi
src=$1
dst=$2
# all utterances are FLAC compressed
if ! which flac >&/dev/null; then
echo "Please install 'flac' on ALL worker nodes!"
exit 1
fi
spk_file=$src/../SPEAKERS.TXT
mkdir -p $dst || exit 1
[ ! -d $src ] && echo "$0: no such directory $src" && exit 1
[ ! -f $spk_file ] && echo "$0: expected file $spk_file to exist" && exit 1
wav_scp=$dst/wav.scp; [[ -f "$wav_scp" ]] && rm $wav_scp
trans=$dst/text; [[ -f "$trans" ]] && rm $trans
for reader_dir in $(find -L $src -mindepth 1 -maxdepth 1 -type d | sort); do
reader=$(basename $reader_dir)
if ! [ $reader -eq $reader ]; then # not integer.
echo "$0: unexpected subdirectory name $reader"
exit 1
fi
for chapter_dir in $(find -L $reader_dir/ -mindepth 1 -maxdepth 1 -type d | sort); do
chapter=$(basename $chapter_dir)
if ! [ "$chapter" -eq "$chapter" ]; then
echo "$0: unexpected chapter-subdirectory name $chapter"
exit 1
fi
find -L $chapter_dir/ -iname "*.flac" | sort | xargs -I% basename % .flac | \
awk -v "dir=$chapter_dir" '{printf "%s %s/%s.flac \n", $0, dir, $0}' >>$wav_scp|| exit 1
chapter_trans=$chapter_dir/${reader}-${chapter}.trans.txt
[ ! -f $chapter_trans ] && echo "$0: expected file $chapter_trans to exist" && exit 1
cat $chapter_trans >>$trans
done
done
echo "$0: successfully prepared data in $dst"
exit 0