tests/soundtest.c

   1 #include <libchimara/glk.h>
   2 #include <stdio.h>
   3
   4 void
   5 glk_main(void)
   6 {
   7         if(!glk_gestalt(gestalt_Sound, 0)) {
   8                 fprintf(stderr, "Sound not supported.\n");
   9                 return;
  10         }
  11         if(!glk_gestalt(gestalt_SoundVolume, 0)) {
  12                 fprintf(stderr, "Sound volume not supported.\n");
  13                 return;
  14         }
  15
  16         schanid_t sc = glk_schannel_create(0);
  17         if(!sc) {
  18                 fprintf(stderr, "Could not create sound channel.\n");
  19                 return;
  20         }
  21
  22         glk_schannel_set_volume(sc, 0x10000);
  23         glk_schannel_set_volume(sc, 0x08000);
  24         glk_schannel_set_volume(sc, 0x04000);
  25         glk_schannel_set_volume(sc, 0x00000);
  26         glk_schannel_set_volume(sc, 0xA0000); /* max supported volume */
  27         glk_schannel_set_volume(sc, 0xB0000); /* should be coerced */
  28         glk_schannel_set_volume(sc, 0x10000);
  29
  30         glk_schannel_destroy(sc);
  31 }