Great!
So I will add RWOps support today, I'll drop you a note when its done.
Cheers, FROGGS
Am 30.11.2011 23:09, schrieb Alexander Becker:
> Hi!
>
> The example code in your link gives me version 1.2.11 on Win 7 x64 with
> strawberry perl 5.12.2 built for MSWin32-x64-multi-thread.
>
> HTH,
> Alex
>
> [code]
> use SDL::Mixer;
> use SDL::Version;
>
> my $version = SDL::Mixer::linked_version();
>
> printf("%d.%d.%d\n", $version->major, $version->minor, $version->patch); #
> prints "1.2.11" for me
> [/code]
>
> -----Ursprüngliche Nachricht-----
> Von: Tobias Leich [mailto:em...@froggs.de]
> Gesendet: Mittwoch, 30. November 2011 13:18
> An: Alexander Becker
> Cc: 'breno'; sdl-devel@perl.org
> Betreff: Re: How to play an mp3 file from a database
>
> Hi, can you please check what version of libSDL_mixer do you have installed?
>
> http://sdl.perl.org/SDL-Mixer.html#linked_version
>
> In case you have 1.2.7 or better we can add support for RWOps objects.
> So you dont need temp files.
>
> Cheers, FROGGS
>
>
> Am 29.11.2011 20:37, schrieb Alexander Becker:
>> Hi breno,
>>
>> thank you for the quick response. It helped.
>> I had a look into mixer_samples.t and line 106 states, that
>> quick_load_WAV is not (yet? Who do I have to bribe with what to get it?)
> implemented.
>> Here is a working piece of code using temporary files. Of course, you
>> need a database containing audio files.
>>
>> Best regards,
>> Alex
>>
>> [code]
>> #!perl
>>
>> use strict;
>> use warnings;
>> use utf8;
>> use DBI;
>> use SQL::Abstract::Limit;
>> use File::Temp;
>> use SDL;
>> use SDL::Audio;
>> use SDL::Mixer;
>> use SDL::Mixer::Samples;
>> use SDL::Mixer::Channels;
>> use SDL::Mixer::Music;
>> SDL::init(SDL_INIT_AUDIO);
>> SDL::Mixer::init( MIX_INIT_MP3 | MUS_MP3 );
>>
>> unless( SDL::Mixer::open_audio( 44100, AUDIO_S16SYS, 2, 4096 ) == 0 ) {
>> Carp::croak "Cannot open audio: ".SDL::get_error(); }
>>
>> my $buffer = get_audio_buffer();
>>
>> # -- write audio buffer to temp file
>> my $fh = File::Temp->new( UNLINK => 1, SUFFIX => '.mp3' );
>> $fh->unlink_on_destroy( 1 ); print $fh $buffer; my $fname =
>> $fh->filename;
>>
>> # close the handle or the temfile will have some sort of lock on it
>> and cannot be read $fh->close();
>>
>> my $background_music = SDL::Mixer::Music::load_MUS( $fname );
>>
>> unless( $background_music ) {
>> Carp::croak "Cannot load music file [buffer from DB]: " .
>> SDL::get_error();
>> }
>>
>> SDL::Mixer::Music::play_music( $background_music,0 );
>>
>> sleep(6);
>>
>> SDL::Mixer::Music::halt_music();
>> SDL::Mixer::close_audio;
>> exit(0);
>>
>>
>>
>> sub get_audio_buffer {
>> my $sql = SQL::Abstract::Limit->new( limit_dialect => 'LimitXY'
>> );;
>>
>> my $table = 'audio_files';
>> my @fields = (qw/audio/);
>> my %where = (
>> id => 2,
>> );
>> my @order = ();
>> my $limit = 1;
>> my $offset = 0;
>> my ( $stmt, @bind ) = $sql->select( $table, \@fields, \%where,
>> \@order, $limit, $offset );
>> my $database = 'database_name';
>> my $db_host = 'your_host';
>> my $db_port = '3306';
>> my $dsn = "DBI:mysql:database=$database;host=$db_host;port=$db_port";
>> my $username = 'username';
>> my $password = 'password';
>> my $dbh = DBI->connect($dsn, $username, $password) or die('Cannot
>> connect to DB: ' . DBI->errstr());
>> my $sth = $dbh->prepare( $stmt );
>> $sth->execute( @bind );
>>
>> my ($buffer) = $sth->fetchrow_array();
>>
>> return $buffer;
>> } # /get_audio_buffer
>> [/code]
>>
>> -----Ursprüngliche Nachricht-----
>> Von: breno [mailto:oainikus...@gmail.com]
>> Gesendet: Dienstag, 29. November 2011 06:34
>> An: Alexander Becker
>> Cc: sdl-devel@perl.org
>> Betreff: Re: How to play an mp3 file from a database
>>
>> On Mon, Nov 28, 2011 at 8:13 PM, Alexander Becker < > wrote:
>>> Dear all!
>>>
>> Hi there!
>>
>>> I just tried the example code of the SDL Manual where you play some
> music.
>>> By the SDL manual, I refer to the one that is hidden at the bottom of
>>> the sdl.perl.org page, so that you really have to search for it in
>>> order to find it - and even then you have to get along with an ugly
>>> github
>> interface.
>> There's a new project website under way, but we're missing people to
>> work in it. Please join #sdl in irc.perl.org if you want to help us
>> get it right :)
>>
>>> So, in general: Is there a way to play mp3 files?
>> Yup.
>>
>> If your libsdl was compiled with mp3 support, all you have to do
>> (iirc) is set the MIX_INIT_MP3 (for effects) and MUS_MP3 (for audio)
>> flags when you call SDL::Mixer::init():
>>
>> SDL::Mixer::init( MIX_INIT_MP3 | MUS_MP3 );
>>
>> then use load_MUS() and play_music() from SDL::Mixer::Music to play
>> mp3 files as background music, or load_WAV() from SDL::Mixer::Samples
>> to play mp3 effects (yes, the function is named load_WAV() but plays
>> different formats too if they're available).
>>
>> The documentation in SDL::Mixer, SDL::Mixer::Music and
>> SDL::Mixer::Samples should be helpful, as some of the test files
>> (t/mixer_music.t comes to mind).
>>
>>> And in particular: is there a way to play mp3 files that are in a
>> variable?
>>> Or do I have to work with temporary files?
>>>
>> Not sure. I *think* SDL::Mixer::quick_load_WAV( $buffer ) might do the
>> right thing. You'll have to test it though.
>>
>> Cheers,
>>
>> breno
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>>
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