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/*
* Copyright 2012 The Emscripten Authors. All rights reserved.
* Emscripten is available under two separate licenses, the MIT license and the
* University of Illinois/NCSA Open Source License. Both these licenses can be
* found in the LICENSE file.
*/
#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include <SDL/SDL_mixer.h>
#include <assert.h>
#include <sys/stat.h>
#include <emscripten/emscripten.h>
#include <emscripten/eventloop.h>
Mix_Chunk *sound1, *sound2, *sound3;
Mix_Music * music;
void play2(void*);
EMSCRIPTEN_KEEPALIVE int play() {
int channel = Mix_PlayChannel(-1, sound1, 0);
printf("playing sound1 -> %d\n", channel);
assert(channel >= 0);
emscripten_set_timeout(play2, 500, NULL);
return channel;
}
void done(int channel) {
printf("done channel: %d\n", channel);
}
EMSCRIPTEN_KEEPALIVE void success(int channel) {
emscripten_force_exit(0);
}
EMSCRIPTEN_KEEPALIVE void play2(void* arg) {
int channel2 = Mix_PlayChannel(-1, sound2, 0);
printf("playing sound2 -> %d\n", channel2);
assert(channel2 >= 0);
int channel3 = Mix_PlayChannel(-1, sound3, 0);
printf("playing sound3 -> %d\n", channel3);
assert(channel2 >= 0);
}
EMSCRIPTEN_KEEPALIVE void play_music() {
int channel = Mix_PlayMusic(music, 1);
printf("playing music -> %d\n", channel);
assert(channel >= 0);
}
int main(int argc, char **argv) {
printf("in main\n");
SDL_Init(SDL_INIT_AUDIO);
int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
assert(ret == 0);
Mix_ChannelFinished(done);
{
printf("loading sound.ogg (sound1)\n");
SDL_RWops * ops = SDL_RWFromFile("sound.ogg", "r");
sound1 = Mix_LoadWAV_RW(ops, 0);
SDL_FreeRW(ops);
assert(sound1);
}
{
printf("loading sound2.wav (sound2)\n");
sound2 = Mix_LoadWAV("sound2.wav");
assert(sound2);
}
{
printf("loading noise.ogg (sound3)\n");
struct stat info;
int result = stat("noise.ogg", &info);
char * bytes = malloc( info.st_size );
FILE * f = fopen( "noise.ogg", "rb" );
fread( bytes, 1, info.st_size, f );
fclose(f);
SDL_RWops * ops = SDL_RWFromConstMem(bytes, info.st_size);
sound3 = Mix_LoadWAV_RW(ops, 0);
SDL_FreeRW(ops);
free(bytes);
}
{
music = Mix_LoadMUS("the_entertainer.ogg");
}
int channel = play();
printf("Pausing Channel %d\n", channel);
Mix_Pause(channel);
int paused = Mix_Paused(channel);
printf("Channel %d %s\n", channel, paused ? "is paused" : "is NOT paused");
assert(paused);
Mix_Resume(channel);
paused = Mix_Paused(channel);
printf("Channel %d %s\n", channel, paused ? "is paused" : "is NOT paused");
assert(paused == 0);
EM_ASM(
var element = document.createElement('input');
element.setAttribute('type', 'button');
element.setAttribute('value', 'replay!');
element.setAttribute('onclick', '_play()');
document.body.appendChild(element);
var element = document.createElement('input');
element.setAttribute('type', 'button');
element.setAttribute('value', 'Play music');
element.setAttribute('onclick', '_play_music()');
document.body.appendChild(element);
var element = document.createElement('input');
element.setAttribute('type', 'button');
element.setAttribute('value', 'Success');
element.setAttribute('onclick', '_success()');
document.body.appendChild(element);
);
printf("you should hear two sounds. press the button to replay!\n");
emscripten_runtime_keepalive_push();
return 0;
}
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