Ejemplos de al_set_mixer_postprocess_callback en C++ (Cpp)

Ejemplo n.º 1

Archivo: ex_resample_test.c Proyecto: gitustc/d2imdev

int main(void)
{
   int i;

   if (!al_init()) {
      abort_example("Could not init Allegro.\n");
   }

   al_install_keyboard();

   open_log();
   
   display = al_create_display(640, 100);
   if (!display) {
      abort_example("Could not create display.\n");
   }

   if (!al_install_audio()) {
      abort_example("Could not init sound.\n");
   }
   al_reserve_samples(N);

   al_set_mixer_postprocess_callback(al_get_default_mixer(), update_waveform, NULL);

   mainloop();

   close_log(false);

   for (i = 0; i < N; i++) {
      al_destroy_audio_stream(stream[i]);
   }
   al_uninstall_audio();

   return 0;
}

Ejemplo n.º 2

Archivo: ex_synth.cpp Proyecto: SaiSrini/Shooter

int main(int argc, char *argv[])
{
   ALLEGRO_DISPLAY *display;
   (void)argc;
   (void)argv;

   if (!al_init()) {
      abort_example("Could not init Allegro.\n");
   }

   open_log();

   al_install_keyboard();
   al_install_mouse();

   al_init_primitives_addon();
   al_init_font_addon();
   al_init_ttf_addon();

   al_set_new_display_flags(ALLEGRO_GENERATE_EXPOSE_EVENTS);
   display = al_create_display(800, 600);
   if (!display) {
      abort_example("Unable to create display\n");
   }
   al_set_window_title(display, "Synthesiser of sorts");

   font_gui = al_load_ttf_font("data/DejaVuSans.ttf", 12, 0);
   if (!font_gui) {
      abort_example("Failed to load data/fixed_font.tga\n");
   }

   if (!al_install_audio()) {
      abort_example("Could not init sound!\n");
   }

   if (!al_reserve_samples(0)) {
      abort_example("Could not set up voice and mixer.\n");
   }

   size_t buffers = 8;
   unsigned samples = SAMPLES_PER_BUFFER;
   unsigned freq = STREAM_FREQUENCY;
   ALLEGRO_AUDIO_DEPTH depth = ALLEGRO_AUDIO_DEPTH_FLOAT32;
   ALLEGRO_CHANNEL_CONF ch = ALLEGRO_CHANNEL_CONF_1;

   stream1 = al_create_audio_stream(buffers, samples, freq, depth, ch);
   stream2 = al_create_audio_stream(buffers, samples, freq, depth, ch);
   stream3 = al_create_audio_stream(buffers, samples, freq, depth, ch);
   stream4 = al_create_audio_stream(buffers, samples, freq, depth, ch);
   stream5 = al_create_audio_stream(buffers, samples, freq, depth, ch);
   if (!stream1 || !stream2 || !stream3 || !stream4 || !stream5) {
      abort_example("Could not create stream.\n");
   }

   ALLEGRO_MIXER *mixer = al_get_default_mixer();
   if (
      !al_attach_audio_stream_to_mixer(stream1, mixer) ||
      !al_attach_audio_stream_to_mixer(stream2, mixer) ||
      !al_attach_audio_stream_to_mixer(stream3, mixer) ||
      !al_attach_audio_stream_to_mixer(stream4, mixer) ||
      !al_attach_audio_stream_to_mixer(stream5, mixer)
   ) {
      abort_example("Could not attach stream to mixer.\n");
   }

   al_set_mixer_postprocess_callback(mixer, mixer_pp_callback, mixer);

   /* Prog is destroyed at the end of this scope. */
   {
      Theme theme(font_gui);
      Prog prog(theme, display);
      prog.run();
   }

   al_destroy_audio_stream(stream1);
   al_destroy_audio_stream(stream2);
   al_destroy_audio_stream(stream3);
   al_destroy_audio_stream(stream4);
   al_destroy_audio_stream(stream5);
   al_uninstall_audio();

   al_destroy_font(font_gui);

   al_fclose(save_fp);

   close_log(false);

   return 0;
}

Ejemplo n.º 3

Archivo: ex_mixer_pp.c Proyecto: EricMayberryIV/COP3330-Introduction-to-OOP

int main(int argc, char **argv)
{
   const char *filename = "../demos/cosmic_protector/data/sfx/title_music.ogg";
   ALLEGRO_VOICE *voice;
   ALLEGRO_MIXER *mixer;
   ALLEGRO_AUDIO_STREAM *stream;

   if (argc > 1) {
      filename = argv[1];
   }

   if (!al_init()) {
      abort_example("Could not init Allegro.\n");
      return 1;
   }

   al_init_primitives_addon();
   al_init_image_addon();
   al_init_acodec_addon();
   
   al_install_keyboard();

   display = al_create_display(640, 480);
   if (!display) {
      abort_example("Could not create display.\n");
      return 1;
   }

   dbuf = al_create_bitmap(640, 480);

   bmp = al_load_bitmap("data/mysha.pcx");
   if (!bmp) {
      abort_example("Could not load data/mysha.pcx\n");
      return 1;
   }

   if (!al_install_audio()) {
      abort_example("Could not init sound.\n");
      return 1;
   }

   voice = al_create_voice(44100, ALLEGRO_AUDIO_DEPTH_INT16,
      ALLEGRO_CHANNEL_CONF_2);
   if (!voice) {
      abort_example("Could not create voice.\n");
      return 1;
   }

   mixer = al_create_mixer(44100, ALLEGRO_AUDIO_DEPTH_FLOAT32,
      ALLEGRO_CHANNEL_CONF_2);
   if (!mixer) {
      abort_example("Could not create mixer.\n");
      return 1;
   }

   if (!al_attach_mixer_to_voice(mixer, voice)) {
      abort_example("al_attach_mixer_to_voice failed.\n");
      return 1;
   }

   stream = al_load_audio_stream(filename, 4, 2048);
   if (!stream) {
      abort_example("Could not load '%s'\n", filename);
      return 1;
   }

   al_set_audio_stream_playmode(stream, ALLEGRO_PLAYMODE_LOOP);
   al_attach_audio_stream_to_mixer(stream, mixer);

   al_set_mixer_postprocess_callback(mixer, update_meter, NULL);

   main_loop();

   al_destroy_audio_stream(stream);
   al_destroy_mixer(mixer);
   al_destroy_voice(voice);
   al_uninstall_audio();

   al_destroy_bitmap(dbuf);
   al_destroy_bitmap(bmp);

   return 0;
}