131 lines
3.6 KiB
Perl
131 lines
3.6 KiB
Perl
|
#------------------------------------------------------------------------------
|
||
|
|
# File: JVC.pm
|
||
|
|
#
|
||
|
|
# Description: JVC EXIF maker notes tags
|
||
|
|
#
|
||
|
|
# Revisions: 12/21/2005 - P. Harvey Created
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
|
||
|
|
package Image::ExifTool::JVC;
|
||
|
|
|
||
|
|
use strict;
|
||
|
|
use vars qw($VERSION);
|
||
|
|
use Image::ExifTool qw(:DataAccess :Utils);
|
||
|
|
use Image::ExifTool::Exif;
|
||
|
|
|
||
|
|
$VERSION = '1.03';
|
||
|
|
|
||
|
|
sub ProcessJVCText($$$);
|
||
|
|
|
||
|
|
# JVC EXIF-based maker notes
|
||
|
|
%Image::ExifTool::JVC::Main = (
|
||
|
|
WRITE_PROC => \&Image::ExifTool::Exif::WriteExif,
|
||
|
|
CHECK_PROC => \&Image::ExifTool::Exif::CheckExif,
|
||
|
|
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
|
||
|
|
NOTES => 'JVC EXIF maker note tags.',
|
||
|
|
#0x0001 - almost always '2', but '3' for GR-DV700 samples
|
||
|
|
0x0002 => { #PH
|
||
|
|
Name => 'CPUVersions',
|
||
|
|
# remove trailing nulls/spaces and split at remaining nulls/spaces
|
||
|
|
ValueConv => '$_=$val; s/(\s*\0)+$//; s/(\s*\0)+/, /g; $_',
|
||
|
|
},
|
||
|
|
0x0003 => { #PH
|
||
|
|
Name => 'Quality',
|
||
|
|
PrintConv => {
|
||
|
|
0 => 'Low',
|
||
|
|
1 => 'Normal',
|
||
|
|
2 => 'Fine',
|
||
|
|
},
|
||
|
|
},
|
||
|
|
);
|
||
|
|
|
||
|
|
# JVC text-based maker notes
|
||
|
|
%Image::ExifTool::JVC::Text = (
|
||
|
|
GROUPS => { 0 => 'MakerNotes', 2 => 'Camera' },
|
||
|
|
PROCESS_PROC => \&ProcessJVCText,
|
||
|
|
NOTES => 'JVC/Victor text-based maker note tags.',
|
||
|
|
VER => 'MakerNoteVersion', #PH
|
||
|
|
QTY => { #PH
|
||
|
|
Name => 'Quality',
|
||
|
|
PrintConv => {
|
||
|
|
STND => 'Normal',
|
||
|
|
STD => 'Normal',
|
||
|
|
FINE => 'Fine',
|
||
|
|
},
|
||
|
|
},
|
||
|
|
);
|
||
|
|
|
||
|
|
#------------------------------------------------------------------------------
|
||
|
|
# Process JVC text-based maker notes
|
||
|
|
# Inputs: 0) ExifTool object reference
|
||
|
|
# 1) Reference to directory information hash
|
||
|
|
# 2) Pointer to tag table for this directory
|
||
|
|
# Returns: 1 on success, otherwise returns 0 and sets a Warning
|
||
|
|
sub ProcessJVCText($$$)
|
||
|
|
{
|
||
|
|
my ($et, $dirInfo, $tagTablePtr) = @_;
|
||
|
|
my $dataPt = $$dirInfo{DataPt};
|
||
|
|
my $dirStart = $$dirInfo{DirStart} || 0;
|
||
|
|
my $dataLen = $$dirInfo{DataLen};
|
||
|
|
my $dirLen = $$dirInfo{DirLen} || $dataLen - $dirStart;
|
||
|
|
my $verbose = $et->Options('Verbose');
|
||
|
|
|
||
|
|
my $data = substr($$dataPt, $dirStart, $dirLen);
|
||
|
|
# validate text maker notes
|
||
|
|
unless ($data =~ /^VER:/) {
|
||
|
|
$et->Warn('Bad JVC text maker notes');
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
while ($data =~ m/([A-Z]+):(.{3,4})/sg) {
|
||
|
|
my ($tag, $val) = ($1, $2);
|
||
|
|
my $tagInfo = $et->GetTagInfo($tagTablePtr, $tag);
|
||
|
|
$et->VerboseInfo($tag, $tagInfo,
|
||
|
|
Table => $tagTablePtr,
|
||
|
|
Value => $val,
|
||
|
|
) if $verbose;
|
||
|
|
unless ($tagInfo) {
|
||
|
|
next unless $$et{OPTIONS}{Unknown};
|
||
|
|
$tagInfo = {
|
||
|
|
Name => "JVC_Text_$tag",
|
||
|
|
Unknown => 1,
|
||
|
|
PrintConv => 'length($val) > 60 ? substr($val,0,55) . "[...]" : $val',
|
||
|
|
};
|
||
|
|
# add tag information to table
|
||
|
|
AddTagToTable($tagTablePtr, $tag, $tagInfo);
|
||
|
|
}
|
||
|
|
$et->FoundTag($tagInfo, $val);
|
||
|
|
}
|
||
|
|
return 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
1; # end
|
||
|
|
|
||
|
|
__END__
|
||
|
|
|
||
|
|
=head1 NAME
|
||
|
|
|
||
|
|
Image::ExifTool::JVC - JVC EXIF maker notes tags
|
||
|
|
|
||
|
|
=head1 SYNOPSIS
|
||
|
|
|
||
|
|
This module is loaded automatically by Image::ExifTool when required.
|
||
|
|
|
||
|
|
=head1 DESCRIPTION
|
||
|
|
|
||
|
|
This module contains routines used by Image::ExifTool to interpret JVC maker
|
||
|
|
notes.
|
||
|
|
|
||
|
|
=head1 AUTHOR
|
||
|
|
|
||
|
|
Copyright 2003-2016, Phil Harvey (phil at owl.phy.queensu.ca)
|
||
|
|
|
||
|
|
This library is free software; you can redistribute it and/or modify it
|
||
|
|
under the same terms as Perl itself.
|
||
|
|
|
||
|
|
=head1 SEE ALSO
|
||
|
|
|
||
|
|
L<Image::ExifTool::TagNames/JVC Tags>,
|
||
|
|
L<Image::ExifTool(3pm)|Image::ExifTool>
|
||
|
|
|
||
|
|
=cut
|