#!/usr/bin/env perl
#
# MPEG.pm
#
# Copyright (C) 2005 David J. Goehrig <dgoehrig@cpan.org>
#
# ------------------------------------------------------------------------------
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
#
# ------------------------------------------------------------------------------
#
# Please feel free to send questions, suggestions or improvements to:
#
# David J. Goehrig
# dgoehrig@cpan.org
#
package SDL::MPEG;
use strict;
use warnings;
use Carp;
use SDL;
sub new {
my $proto = shift;
my $class = ref($proto) || $proto;
my %options = @_;
verify (%options, qw/ -from / ) if $SDL::DEBUG;
my $self;
if ( $options{-from} ) {
croak "SDL::MPEG::new -from requires a SDL::Video object\n"
unless $options{-from}->isa('SDL::Video');
$self = \SDL::SMPEGGetInfo(${$options{-from}});
} else {
$self = \SDL::NewSMPEGInfo();
}
bless $self,$class;
return $self;
}
sub DESTROY {
SDL::FreeSMPEGInfo(${$_[0]});
}
sub has_audio {
SDL::SMPEGInfoHasAudio(${$_[0]});
}
sub has_video {
SDL::SMPEGInfoHasVideo(${$_[0]});
}
sub width {
SDL::SMPEGInfoWidth(${$_[0]});
}
sub height {
SDL::SMPEGInfoHeight(${$_[0]});
}
sub size {
SDL::SMPEGInfoTotalSize(${$_[0]});
}
sub offset {
SDL::SMPEGInfoCurrentOffset(${$_[0]});
}
sub frame {
SDL::SMPEGInfoCurrentFrame(${$_[0]});
}
sub fps {
SDL::SMPEGInfoCurrentFPS(${$_[0]});
}
sub time {
SDL::SMPEGInfoCurrentTime(${$_[0]});
}
sub length {
SDL::SMPEGInfoTotalTime(${$_[0]});
}
1;
__END__;
=pod
=head1 NAME
SDL::MPEG - a SDL perl extension
=head1 SYNOPSIS
$info = new SDL::MPEG -from => $mpeg;
=head1 DESCRIPTION
C<SDL::MPEG> provides an interface to quering the status
of a SMPEG stream.
=head2 METHODS
=over 4
=item *
C<SDL::MPEG::has_audio> returns true if it has audio track
=item *
C<SDL::MPEG::has_video> returns true if it has a video track
=item *
C<SDL::MPEG::width> returns the width of the video in pixels
=item *
C<SDL::MPEG::height> returns the height of the video in pixels
=item *
C<SDL::MPEG::size> returns the total size of the clip in bytes
=item *
C<SDL::MPEG::offset> returns the offset into the clip in bytes
=item *
C<SDL::MPEG::frame> returns the offset into the clip in fames
=item *
C<SDL::MPEG::fps> returns the play rate in frames per second
=item *
C<SDL::MPEG::time> returns the current play time in seconds
=item *
C<SDL::MPEG::length> returns the total play time in seconds
=back
=head1 AUTHOR
David J. Goehrig
=head1 SEE ALSO
perl(1) SDL::Video(3)
=cut