emscripten/tests/sdl_audio.c

97 строки
2.3 KiB
C

#include <stdio.h>
#include <stdlib.h>
#include <SDL/SDL.h>
#include <SDL/SDL_mixer.h>
#include <assert.h>
#include <emscripten.h>
#include <sys/stat.h>
Mix_Chunk *sound, *sound2, *sound3;
Mix_Music * music;
int play2();
int play() {
int channel = Mix_PlayChannel(-1, sound, 0);
assert(channel == 0);
emscripten_run_script("setTimeout(Module['_play2'], 500)");
return channel;
}
void done(int channel) {
assert(channel == 1);
int result = 1;
REPORT_RESULT();
}
int play2() {
Mix_ChannelFinished(done);
int channel2 = Mix_PlayChannel(-1, sound2, 0);
assert(channel2 == 1);
#ifndef USE_SDL2 // rw stuff fails in SDL2
int channel3 = Mix_PlayChannel(-1, sound3, 0);
assert(channel3 == 2);
#endif
assert(Mix_PlayMusic(music, 1) == 0);
return channel2;
}
int main(int argc, char **argv) {
SDL_Init(SDL_INIT_AUDIO);
int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
assert(ret == 0);
sound = Mix_LoadWAV("sound.ogg");
assert(sound);
{
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);
#ifndef USE_SDL2 // rw stuff fails in SDL2
SDL_RWops * ops = SDL_RWFromConstMem(bytes, info.st_size);
sound3 = Mix_LoadWAV_RW(ops, 0);
SDL_FreeRW(ops);
free(bytes);
#endif
}
{
music = Mix_LoadMUS("the_entertainer.ogg");
}
sound2 = Mix_LoadWAV("sound2.wav");
assert(sound2);
int channel = play();
printf( "Pausing Channel %d", channel );
Mix_Pause(channel);
int paused = Mix_Paused(channel);
printf( "Channel %d %s", channel, paused ? "is paused" : "is NOT paused" );
assert(paused);
Mix_Resume(channel);
paused = Mix_Paused(channel);
printf( "Channel %d %s", channel, paused ? "is paused" : "is NOT paused" );
assert(paused == 0);
if (argc == 12121) play2(); // keep it alive
emscripten_run_script("element = document.createElement('input');"
"element.setAttribute('type', 'button');"
"element.setAttribute('value', 'replay!');"
"element.setAttribute('onclick', 'Module[\"_play\"]()');"
"document.body.appendChild(element);");
printf("you should hear two sounds. press the button to replay!\n");
return 0;
}