mixer_groups.t

#!/usr/bin/perl -w
use strict;
use warnings;
use SDL;
use SDL::Config;

my $audiodriver;

BEGIN {
	use Config;
	if ( !$Config{'useithreads'} ) {
		print("1..0 # Skip: Perl not compiled with 'useithreads'\n");
		exit(0);
	}

	use Test::More;
	use lib 't/lib';
	use SDL::TestTool;

	$audiodriver = $ENV{SDL_AUDIODRIVER};
	$ENV{SDL_AUDIODRIVER} = 'dummy' unless $ENV{SDL_RELEASE_TESTING};

	if ( !SDL::TestTool->init(SDL_INIT_AUDIO) ) {
		plan( skip_all => 'Failed to init sound' );
	} elsif ( !SDL::Config->has('SDL_mixer') ) {
		plan( skip_all => 'SDL_mixer support not compiled' );
	}
}

use SDL::Mixer;
use SDL::Mixer::Channels;
use SDL::Mixer::Groups;
use SDL::Mixer::Samples;
my $can_open = SDL::Mixer::open_audio( 44100, SDL::Audio::AUDIO_S16SYS, 2, 4096 );

unless($can_open == 0) 
{
	plan( skip_all => 'Cannot open audio :'.SDL::get_error() );
}

is( $can_open ,
	0, '[open_audio] ran'
);
is( SDL::Mixer::Channels::allocate_channels(8),
	8, "[allocate_channels] 8 channels allocated"
);
is( SDL::Mixer::Groups::reserve_channels(4),
	4, "[reserve_channels] 4 channels reserved"
);

my $delay           = 100;
my $audio_test_file = 'test/data/silence.wav';

if ( $ENV{'SDL_RELEASE_TESTING'} ) {
	SDL::Mixer::Channels::volume( -1, 10 );
	is( SDL::Mixer::Channels::volume( -1, 20 ),
		10, "[volume] set to 20, previously was 10"
	);
	$delay           = 2000;
	$audio_test_file = 'test/data/sample.wav';
} else {
	SDL::Mixer::Channels::volume( -1, 10 );
	is( SDL::Mixer::Channels::volume( -1, 1 ),
		10, "[volume] set to 1, previously was 10"
	);
}

my $sample_chunk = SDL::Mixer::Samples::load_WAV($audio_test_file);
my $playing_channel = SDL::Mixer::Channels::play_channel( -1, $sample_chunk, -1 );
is( $playing_channel > 3,
	1, "[play_channel] plays on channel $playing_channel"
);
SDL::Mixer::Channels::halt_channel(-1);

is( SDL::Mixer::Groups::group_channel( 0, 0 ),
	1, "[group_channel] channel 0 to group 0"
);
is( SDL::Mixer::Groups::group_channels( 1, 3, 1 ),
	3, "[group_channels] channel 1-3 to group 1"
);
is( SDL::Mixer::Groups::group_channel( 3, -1 ),
	1, "[group_channel] channel 0 ungrouped"
);
is( SDL::Mixer::Groups::group_channels( 3, 3, 2 ),
	1, "[group_channels] channel 3-3 to group 2"
);
is( SDL::Mixer::Groups::group_count(0), 1, "[group_count] for group 0 is 1" );
is( SDL::Mixer::Groups::group_count(1), 2, "[group_count] for group 1 is 2" );
is( SDL::Mixer::Groups::group_count(2), 1, "[group_count] for group 2 is 1" );
is( SDL::Mixer::Groups::group_available(0),
	0, "[group_available] first channel for group 0 is 0"
);
is( SDL::Mixer::Groups::group_available(1),
	1, "[group_available] first channel for group 1 is 1"
);
is( SDL::Mixer::Groups::group_available(2),
	3, "[group_available] first channel for group 2 is 3"
);
is( SDL::Mixer::Groups::group_oldest(1),
	-1, "[group_oldest] group 1 does not play something"
);

SDL::Mixer::Channels::play_channel( 2, $sample_chunk, -1 );
SDL::delay( $delay / 4 );
SDL::Mixer::Channels::play_channel( 1, $sample_chunk, -1 );
SDL::delay(100);

is( SDL::Mixer::Groups::group_oldest(1),
	2, "[group_oldest] channel 2 started first"
);
is( SDL::Mixer::Groups::group_newer(1),
	1, "[group_newer] channel 1 started at last"
);

SDL::delay(100);
is( SDL::Mixer::Groups::fade_out_group( 1, $delay * 2 ),
	2, "[fade_out_group] $delay ms for group 1"
);

SDL::delay($delay);
is( SDL::Mixer::Groups::halt_group(1), 0, "[halt_group] group 1 halted" );

SDL::Mixer::close_audio();
pass '[close_audio] ran';

if ($audiodriver) {
	$ENV{SDL_AUDIODRIVER} = $audiodriver;
} else {
	delete $ENV{SDL_AUDIODRIVER};
}

done_testing();