sdl2_mixer 0.5.0

#![crate_type = "bin"]

extern crate sdl2;
extern crate sdl2_mixer;

use std::env;
use std::path::Path;
use sdl2::*;
use sdl2_mixer::{INIT_MP3, INIT_FLAC, INIT_MOD, INIT_FLUIDSYNTH, INIT_MODPLUG,
                 INIT_OGG, DEFAULT_FREQUENCY};

fn main() {

    let args: Vec<_> = env::args().collect();

    if args.len() < 2 {
        println!("Usage: ./demo audio.[mp3|wav|ogg]")
    } else {
        demo(Path::new(&args[1]));
    }
}

fn demo(filename: &Path) {

    println!("linked version: {}", sdl2_mixer::get_linked_version());

    let _ = sdl2::init().audio().timer();

    println!("mixer initialized: {}", sdl2_mixer::init(
        INIT_MP3 | INIT_FLAC | INIT_MOD | INIT_FLUIDSYNTH |
        INIT_MODPLUG | INIT_OGG).bits());

    // TODO: 0x8010 is SDL_audio flag
    let _ = sdl2_mixer::open_audio(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 (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 (0..n) {
            println!("  decoder {} => {}", i, sdl2_mixer::get_music_decoder(i));
        }
    }

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

    // We want music to be freed before we quit sdl2_mixer (otherwise an error
    // happens), so we do all of the following within its own block.
    {
        let music = sdl2_mixer::Music::from_file(filename).unwrap();

        fn hook_finished() {
            println!("play ends! from rust cb");
        }

        sdl2_mixer::Music::hook_finished(hook_finished);

        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

    println!("qutting mixer");
    sdl2_mixer::quit();
    println!("quitting sdl");
}