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136 lines
4.3 KiB
136 lines
4.3 KiB
#!/usr/bin/env bash
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# Copyright 2021 Xiaomi Corporation (Author: Yongqing Wang)
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# Seasalt AI, Inc (Author: Guoguo Chen)
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# Mobvoi Inc(Author: Di Wu, Binbin Zhang)
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# NPU, ASLP Group (Author: Qijie Shao)
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -e
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set -o pipefail
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stage=1
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prefix=
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train_subset=L
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. ./utils/parse_options.sh || exit 1;
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filter_by_id () {
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idlist=$1
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input=$2
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output=$3
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field=1
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if [ $# -eq 4 ]; then
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field=$4
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fi
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cat $input | perl -se '
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open(F, "<$idlist") || die "Could not open id-list file $idlist";
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while(<F>) {
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@A = split;
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@A>=1 || die "Invalid id-list file line $_";
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$seen{$A[0]} = 1;
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}
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while(<>) {
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@A = split;
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@A > 0 || die "Invalid file line $_";
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@A >= $field || die "Invalid file line $_";
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if ($seen{$A[$field-1]}) {
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print $_;
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}
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}' -- -idlist="$idlist" -field="$field" > $output ||\
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(echo "$0: filter_by_id() error: $input" && exit 1) || exit 1;
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}
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subset_data_dir () {
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utt_list=$1
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src_dir=$2
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dest_dir=$3
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mkdir -p $dest_dir || exit 1;
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# wav.scp text segments utt2dur
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filter_by_id $utt_list $src_dir/utt2dur $dest_dir/utt2dur ||\
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(echo "$0: subset_data_dir() error: $src_dir/utt2dur" && exit 1) || exit 1;
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filter_by_id $utt_list $src_dir/text $dest_dir/text ||\
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(echo "$0: subset_data_dir() error: $src_dir/text" && exit 1) || exit 1;
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filter_by_id $utt_list $src_dir/segments $dest_dir/segments ||\
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(echo "$0: subset_data_dir() error: $src_dir/segments" && exit 1) || exit 1;
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awk '{print $2}' $dest_dir/segments | sort | uniq > $dest_dir/reco
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filter_by_id $dest_dir/reco $src_dir/wav.scp $dest_dir/wav.scp ||\
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(echo "$0: subset_data_dir() error: $src_dir/wav.scp" && exit 1) || exit 1;
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rm -f $dest_dir/reco
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}
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if [ $# -ne 2 ]; then
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echo "Usage: $0 [options] <wenetspeech-dataset-dir> <data-dir>"
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echo " e.g.: $0 --train-subset L /disk1/audio_data/wenetspeech/ data/"
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echo ""
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echo "This script takes the WenetSpeech source directory, and prepares the"
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echo "WeNet format data directory."
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echo " --prefix <prefix> # Prefix for output data directory."
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echo " --stage <stage> # Processing stage."
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echo " --train-subset <L|M|S|W> # Train subset to be created."
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exit 1
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fi
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wenetspeech_dir=$1
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data_dir=$2
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declare -A subsets
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subsets=(
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[L]="train_l"
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[M]="train_m"
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[S]="train_s"
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[W]="train_w"
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[DEV]="dev"
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[TEST_NET]="test_net"
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[TEST_MEETING]="test_meeting")
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prefix=${prefix:+${prefix}_}
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corpus_dir=$data_dir/${prefix}corpus/
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if [ $stage -le 1 ]; then
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echo "$0: Extract meta into $corpus_dir"
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# Sanity check.
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[ ! -f $wenetspeech_dir/WenetSpeech.json ] &&\
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echo "$0: Please download $wenetspeech_dir/WenetSpeech.json!" && exit 1;
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[ ! -d $wenetspeech_dir/audio ] &&\
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echo "$0: Please download $wenetspeech_dir/audio!" && exit 1;
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[ ! -d $corpus_dir ] && mkdir -p $corpus_dir
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# Files to be created:
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# wav.scp text segments utt2dur
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python3 local/extract_meta.py \
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$wenetspeech_dir/WenetSpeech.json $corpus_dir || exit 1;
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fi
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if [ $stage -le 2 ]; then
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echo "$0: Split data to train, dev, test_net, and test_meeting"
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[ ! -f $corpus_dir/utt2subsets ] &&\
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echo "$0: No such file $corpus_dir/utt2subsets!" && exit 1;
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for label in $train_subset DEV TEST_NET TEST_MEETING; do
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if [ ! ${subsets[$label]+set} ]; then
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echo "$0: Subset $label is not defined in WenetSpeech.json." && exit 1;
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fi
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subset=${subsets[$label]}
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[ ! -d $data_dir/${prefix}$subset ] && mkdir -p $data_dir/${prefix}$subset
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cat $corpus_dir/utt2subsets | \
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awk -v s=$label '{for (i=2;i<=NF;i++) if($i==s) print $0;}' \
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> $corpus_dir/${prefix}${subset}_utt_list|| exit 1;
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subset_data_dir $corpus_dir/${prefix}${subset}_utt_list \
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$corpus_dir $data_dir/${prefix}$subset || exit 1;
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done
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fi
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echo "$0: Done"
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