/usr/lib/x86_64-linux-gnu/perl5/5.24/SDLx/Music.pm is in libsdl-perl 2.546-3+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 | package SDLx::Music;
use strict;
use warnings;
use Carp ();
use SDL;
use SDL::Audio;
use SDL::Mixer;
use SDL::Mixer::Music;
use SDL::Mixer::Channels;
use SDL::Mixer::Samples;
use SDL::Mixer::MixChunk;
use Data::Dumper;
use SDLx::Music::Default;
use SDLx::Music::Data;
our $def = bless( {}, "SDLx::Music::Default" );
sub new {
my $class = shift;
my %params = @_;
my $self = bless {%params}, $class;
# Initialize Audio
$self->{freq} = $self->{freq} || 44100;
$self->{format} = $self->{format} || SDL::Audio::AUDIO_S16SYS;
$self->{channels} = $self->{channels} || 2;
$self->{chunksize} = $self->{chunksize} || 4096;
Carp::croak SDL::get_error()
if (
SDL::Mixer::open_audio(
$self->{freq}, $self->{format},
$self->{channels}, $self->{chunksize}
)
) != 0;
#Set up the default
$self->{default} = bless {}, "SDLx::Music::Default";
return $self;
}
sub data {
my $self = shift;
return if $#_ < 0;
return $self->{data}->{ $_[0] } if $#_ == 0;
my %data = @_;
# loop through keys
foreach ( keys %data ) {
my $datum = $data{$_};
#If SCALAR is Simple
if ( defined $datum ) {
my $d = {};
if ( ref $datum eq 'HASH' ) {
$d = $datum;
}
else {
$d->{file} = $datum;
}
my $play_data = bless( $d, "SDLx::Music::Data" );
$play_data->{to_load} = 1;
$self->{data}->{$_} = $play_data;
}
}
return 1;
}
sub clear {
delete $_[0]->{data};
}
sub default : lvalue {
my $self = shift;
if ( defined $self && ref($self) ) { return $self->{default} }
else { return $SDLx::Music::def; }
}
sub play {
my $self = shift;
my $play_data = shift;
my %override = @_;
return unless defined $play_data;
my $volume = $play_data->{volume} || $override{volume} || 50;
my $fade_in = $play_data->{fade_in} || $override{fade_in} || 0;
my $loops = $play_data->{loops} || $override{loops} || 1;
if ( $play_data->{to_load} ) {
$play_data->{_content} =
SDL::Mixer::Music::load_MUS( $play_data->{file} );
$play_data->{to_load} = 0;
}
SDL::Mixer::Music::volume_music($volume);
unless ( SDL::Mixer::Music::playing_music() || $fade_in ) {
my $played =
SDL::Mixer::Music::play_music( $play_data->{_content}, $loops );
if ( defined $played && $played == -1 ) {
Carp::carp "Cannot play: " . SDL::get_error() . "\n";
}
}
else {
my $played = SDL::Mixer::Music::fade_in_music( $play_data->{_content}, $loops, $fade_in );
if ( defined $played && $played == -1 ) {
Carp::carp "Cannot play: " . SDL::get_error() . "\n";
}
}
return SDL::Mixer::Music::playing_music();
}
sub load {
my $self = shift;
foreach ( keys( %{ $self->{data} } ) ) {
my $data = $self->{data}->{$_};
if ( $data->{to_load} ) {
$data->{_content} = SDL::Mixer::Music::load_MUS( $data->{file} );
$data->{to_load} = 0;
}
}
}
sub playing {
return SDL::Mixer::Music::playing_music();
}
1;
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