tests/soundtest.c

   1 #include <libchimara/glk.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4 #include <string.h>
   5
   6 #define NUM_CHANNELS 2
   7
   8 void
   9 glk_main(void)
  10 {
  11         if(!glk_gestalt(gestalt_Sound2, 0)) {
  12                 fprintf(stderr, "Sound not supported.\n");
  13                 return;
  14         }
  15
  16         schanid_t sc[NUM_CHANNELS];
  17         int count;
  18         for(count = 0; count < NUM_CHANNELS; count++) {
  19                 sc[count] = glk_schannel_create(count);
  20                 if(!sc[count]) {
  21                         fprintf(stderr, "Could not create sound channel number %d.\n", count);
  22                         return;
  23                 }
  24         }
  25
  26         /* Open the main window. */
  27     winid_t mainwin = glk_window_open(0, 0, 0, wintype_TextBuffer, 1);
  28     if (!mainwin) {
  29         /* It's possible that the main window failed to open. There's
  30             nothing we can do without it, so exit. */
  31         return;
  32     }
  33         glk_set_window(mainwin);
  34         glk_put_string("Copy a sound file to the current directory and rename it "
  35             "to SND3. Supported formats: AIFF, OGG, MOD, S3M, IT, XM. Type 'play' "
  36             "to play it.\n\n"
  37                 "If you want to test multi-sound playing, copy another sound file and "
  38                 "rename it to SND4 as well. You can't stop it, so make it a short "
  39                 "sound effect.\n");
  40
  41         char buffer[1024];
  42         int len;
  43         int finish = 0;
  44         int repeat = 1;
  45         int ramp = 0;
  46
  47         event_t ev;
  48         while(!finish) {
  49                 glk_put_string("\nprompt> ");
  50                 glk_request_line_event(mainwin, buffer, 1024, 0);
  51                 glk_select(&ev);
  52                 printf("Received event:\n");
  53                 printf("Type: %d\n", ev.type);
  54                 printf("Win: ");
  55                 if(ev.win)
  56                         printf( "%d\n", glk_window_get_rock(ev.win) );
  57                 else
  58                         printf("NULL\n");
  59                 printf("Var1: %d\n", ev.val1);
  60                 printf("Var2: %d\n", ev.val2);
  61                 switch(ev.type) {
  62                         case evtype_LineInput:
  63                                 // Null-terminate string
  64                                 len = ev.val1;
  65                                 buffer[len] = '\0';
  66
  67                                 if(strcmp(buffer, "quit") == 0) {
  68                                         glk_put_string("That's all, folks.\n");
  69                                         finish = 1;
  70                                 } else if(strcmp(buffer, "play") == 0) {
  71                                         glk_put_string("Playing sound.\n");
  72                                         if(!glk_schannel_play_ext(sc[0], 3, repeat, 1)) {
  73                                                 fprintf(stderr, "Could not start sound channel.\n");
  74                                                 finish = 1;
  75                                         }
  76                                 } else if(strcmp(buffer, "stop") == 0) {
  77                                         glk_put_string("Stopping sound.\n");
  78                                         glk_schannel_stop(sc[0]);
  79                                 } else if(strcmp(buffer, "repeat") == 0) {
  80                                         glk_put_string("Setting repeat to ");
  81                                         if(repeat == 1) {
  82                                                 glk_put_string("TWICE.\n");
  83                                                 repeat = 2;
  84                                         } else if(repeat == 2) {
  85                                                 glk_put_string("INFINITE.\n");
  86                                                 repeat = -1;
  87                                         } else if(repeat == -1) {
  88                                                 glk_put_string("DON'T PLAY.\n");
  89                                                 repeat = 0;
  90                                         } else if(repeat == 0) {
  91                                                 glk_put_string("ONCE.\n");
  92                                                 repeat = 1;
  93                                         }
  94                                 } else if(strcmp(buffer, "pause") == 0) {
  95                                         glk_put_string("Pausing channel.\n");
  96                                         glk_schannel_pause(sc[0]);
  97                                 } else if(strcmp(buffer, "unpause") == 0) {
  98                                         glk_put_string("Unpausing channel.\n");
  99                                         glk_schannel_unpause(sc[0]);
 100                                 } else if(strcmp(buffer, "ramp") == 0) {
 101                                         glk_put_string("Ramping volume to ");
 102                                         if(ramp == 0) {
 103                                                 glk_put_string("HALF.\n");
 104                                                 glk_schannel_set_volume_ext(sc[0], 0x8000, 3000, 42);
 105                                                 ramp = 1;
 106                                         } else if(ramp == 1) {
 107                                                 glk_put_string("FULL.\n");
 108                                                 glk_schannel_set_volume_ext(sc[0], 0x10000, 3000, 69);
 109                                                 ramp = 0;
 110                                         }
 111                                 } else if(strcmp(buffer, "multi") == 0) {
 112                                         glk_put_string("Playing two sounds. (These will not repeat.)\n");
 113                                         glui32 sounds[NUM_CHANNELS] = { 3, 4 };
 114                                         if(glk_schannel_play_multi(sc, NUM_CHANNELS, sounds, NUM_CHANNELS, 1) < 2) {
 115                                                 fprintf(stderr, "Tried to start %d sounds, but not all were successful.", NUM_CHANNELS);
 116                                                 finish = 1;
 117                                         }
 118                                 } else if(strcmp(buffer, "help") == 0) {
 119                                         glk_put_string("Type PLAY or MULTI or REPEAT or PAUSE or UNPAUSE or RAMP or STOP or QUIT.\n");
 120                                 }
 121                                 break;
 122                         case evtype_SoundNotify:
 123                                 glk_cancel_line_event(mainwin, NULL);
 124                                 glk_put_string("\nGot sound notify event!\n");
 125                                 break;
 126                         case evtype_VolumeNotify:
 127                                 glk_cancel_line_event(mainwin, NULL);
 128                                 glk_put_string("\nGot volume notify event!\n");
 129                                 break;
 130                         default:
 131                                 ;
 132                 }
 133         }
 134
 135         for(count = 0; count < NUM_CHANNELS; count++) {
 136                 glk_schannel_stop(sc[count]);
 137                 glk_schannel_destroy(sc[count]);
 138         }
 139 }