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egs/dihard_2018/v1/local/make_voxceleb2.pl
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#!/usr/bin/perl
#
# Copyright 2018 Ewald Enzinger
#
# Usage: make_voxceleb2.pl /export/voxceleb2 dev data/dev
#
# Note: This script requires ffmpeg to be installed and its location included in $PATH.
if (@ARGV != 3) {
print STDERR "Usage: $0 <path-to-voxceleb2> <dataset> <path-to-data-dir>
";
print STDERR "e.g. $0 /export/voxceleb2 dev data/dev
";
exit(1);
}
# Check that ffmpeg is installed.
if (`which ffmpeg` eq "") {
die "Error: this script requires that ffmpeg is installed.";
}
($data_base, $dataset, $out_dir) = @ARGV;
if ("$dataset" ne "dev" && "$dataset" ne "test") {
die "dataset parameter must be 'dev' or 'test'!";
}
opendir my $dh, "$data_base/$dataset/aac" or die "Cannot open directory: $!";
my @spkr_dirs = grep {-d "$data_base/$dataset/aac/$_" && ! /^\.{1,2}$/} readdir($dh);
closedir $dh;
if (system("mkdir -p $out_dir") != 0) {
die "Error making directory $out_dir";
}
open(SPKR, ">", "$out_dir/utt2spk") or die "Could not open the output file $out_dir/utt2spk";
open(WAV, ">", "$out_dir/wav.scp") or die "Could not open the output file $out_dir/wav.scp";
foreach (@spkr_dirs) {
my $spkr_id = $_;
opendir my $dh, "$data_base/$dataset/aac/$spkr_id/" or die "Cannot open directory: $!";
my @rec_dirs = grep {-d "$data_base/$dataset/aac/$spkr_id/$_" && ! /^\.{1,2}$/} readdir($dh);
closedir $dh;
foreach (@rec_dirs) {
my $rec_id = $_;
opendir my $dh, "$data_base/$dataset/aac/$spkr_id/$rec_id/" or die "Cannot open directory: $!";
my @files = map{s/\.[^.]+$//;$_}grep {/\.m4a$/} readdir($dh);
closedir $dh;
foreach (@files) {
my $name = $_;
my $wav = "ffmpeg -v 8 -i $data_base/$dataset/aac/$spkr_id/$rec_id/$name.m4a -f wav -acodec pcm_s16le -|";
my $utt_id = "$spkr_id-$rec_id-$name";
print WAV "$utt_id", " $wav", "
";
print SPKR "$utt_id", " $spkr_id", "
";
}
}
}
close(SPKR) or die;
close(WAV) or die;
if (system(
"utils/utt2spk_to_spk2utt.pl $out_dir/utt2spk >$out_dir/spk2utt") != 0) {
die "Error creating spk2utt file in directory $out_dir";
}
system("env LC_COLLATE=C utils/fix_data_dir.sh $out_dir");
if (system("env LC_COLLATE=C utils/validate_data_dir.sh --no-text --no-feats $out_dir") != 0) {
die "Error validating directory $out_dir";
}
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