98 строки
2.2 KiB
C
98 строки
2.2 KiB
C
#include <stdio.h>
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#include <SDL/SDL.h>
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#include <SDL/SDL_mixer.h>
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#include <assert.h>
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#include <emscripten.h>
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static Mix_Chunk *sound = NULL;
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static Mix_Chunk *noiseLoop = NULL;
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static Mix_Music *music = NULL;
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static int soundChannel = 0;
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static int noiseLoopChannel = 0;
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void one_iter();
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void one_iter() {
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static int frames = 0;
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frames++;
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switch( frames ) {
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case 1:
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soundChannel = Mix_PlayChannel(-1, sound, 0);
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printf("channel = %d", soundChannel);
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assert(soundChannel != -1 && soundChannel != 0);
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noiseLoopChannel = Mix_PlayChannel(-1, noiseLoop, -1);
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printf("noiseLoopChannel = %d", noiseLoopChannel);
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assert(noiseLoopChannel != -1 && noiseLoopChannel != 0);
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// set noiseLoopChannel to half volume
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Mix_Volume(noiseLoopChannel,MIX_MAX_VOLUME/10);
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break;
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case 2:
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printf("channel %d is playing = %d", soundChannel, Mix_Playing(soundChannel));
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assert(Mix_Playing(soundChannel));
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break;
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case 30:
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Mix_Pause(soundChannel);
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Mix_PlayMusic(music, 1);
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break;
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case 31:
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assert(Mix_Paused(soundChannel));
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assert(Mix_PlayingMusic());
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break;
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case 60:
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Mix_Resume(soundChannel);
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Mix_PauseMusic();
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break;
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case 61:
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assert(Mix_Playing(soundChannel));
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assert(Mix_PausedMusic());
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break;
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case 90:
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Mix_ResumeMusic();
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break;
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case 91:
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assert(Mix_PlayingMusic());
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break;
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case 120:
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Mix_HaltChannel(soundChannel);
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Mix_HaltMusic();
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int result = 1;
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#ifdef REPORT_RESULT
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REPORT_RESULT();
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#endif
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break;
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};
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}
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int main(int argc, char **argv) {
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SDL_Init(SDL_INIT_AUDIO);
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Mix_Init(MIX_INIT_OGG);
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// This reserves channel 0 for other purposes.
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// We are just going to verify that we are not
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// allocated channel 0 when we call Mix_PlayChannel(-1, ...)
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Mix_ReserveChannels(1);
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int ret = Mix_OpenAudio(0, 0, 0, 0); // we ignore all these..
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assert(ret == 0);
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sound = Mix_LoadWAV("sound.ogg");
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assert(sound);
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noiseLoop = Mix_LoadWAV("noise.ogg");
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assert(noiseLoop);
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music = Mix_LoadMUS("music.ogg");
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assert(music);
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emscripten_set_main_loop(one_iter, 30, 0);
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// force a quit
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while(Mix_Init(0))
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Mix_Quit();
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Mix_CloseAudio();
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return 0;
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}
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