sdl2_mixer 0.0.3

SDL2_mixer bindings for Rust
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

#![crate_type = "bin"]
#![crate_name="demo"]

extern crate sdl2;
extern crate sdl2_mixer;

use std::os;


fn main() {
    let args = os::args();
    if args.len() < 2 {
        println!("Usage: ./demo audio.[mp3|wav|ogg]")
    } else {
        match dump_info(&Path::new(args[1].to_string())) {
            _ => ()
        }
    }
}

fn dump_info(filename: &Path) -> Result<(), String> {
    println!("linked version: {}", sdl2_mixer::get_linked_version());
    sdl2::init(sdl2::INIT_AUDIO | sdl2::INIT_TIMER);
    println!("inited => {}", sdl2_mixer::init(sdl2_mixer::INIT_MP3 | sdl2_mixer::INIT_FLAC |
                                              sdl2_mixer::INIT_MOD | sdl2_mixer::INIT_FLUIDSYNTH |
                                              sdl2_mixer::INIT_MODPLUG | sdl2_mixer::INIT_OGG).bits());
    // TODO: 0x8010 is SDL_audio flag
    try!(sdl2_mixer::open_audio(sdl2_mixer::DEFAULT_FREQUENCY, 0x8010u16, 2, 1024));
    sdl2_mixer::allocate_channels(0);

    {
        let n = sdl2_mixer::get_chunk_decoders_number();
        println!("available chunk(sample) decoders: {}", n);
        for i in range(0, n) {
            println!("| decoder {} => {:}", i, sdl2_mixer::get_chunk_decoder(i));
        }
    }

    {
        let n = sdl2_mixer::get_music_decoders_number();
        println!("available music decoders: {}", n);
        for i in range(0, n) {
            println!("| decoder {} => {:}", i, sdl2_mixer::get_music_decoder(i));
        }
    }

    println!("query spec => {}", sdl2_mixer::query_spec());

    let music = sdl2_mixer::Music::from_file(filename).unwrap();

    sdl2_mixer::Music::hook_finished(|| { println!("play ends! from rust cb") });

    println!("music => {:}", music);
    println!("music type => {}", music.get_type());

    println!("music volume => {}", sdl2_mixer::Music::get_volume());

    println!("play => {}", music.play(1));

    sdl2::timer::delay(10000);

    println!("fading out ... {}", sdl2_mixer::Music::fade_out(4000));

    sdl2::timer::delay(5000);

    println!("fading in from pos ... {}", music.fade_in_from_pos(1, 10000, 100.0));

    sdl2::timer::delay(5000);

    sdl2_mixer::Music::halt();

    sdl2::timer::delay(1000);
    // here will print hook_finished

    sdl2_mixer::quit();
    sdl2::quit();

    Ok(())
}