git.mutantstargoat.com Git - dos_auplay/blob - src/main.c

   1 #include <stdio.h>\r
   2 #include <stdlib.h>\r
   3 #include <string.h>\r
   4 #include <dos.h>\r
   5 #include <conio.h>\r
   6 #include "aufile.h"\r
   7 #include "audio.h"\r
   8 \r
   9 #define DBG_PRELOAD\r
  10 \r
  11 static int play_file(const char *fname);\r
  12 static int cbfunc(void *buf, int size, void *cls);\r
  13 static void print_usage(const char *argv0);\r
  14 \r
  15 static int vol = 220;\r
  16 static int quit;\r
  17 \r
  18 int main(int argc, char **argv)\r
  19 {\r
  20         int i, vol;\r
  21 \r
  22         if(audio_init() == -1) {\r
  23                 return 1;\r
  24         }\r
  25         audio_setvolume(AUDIO_MASTER, 255);\r
  26         audio_setvolume(AUDIO_PCM, 255);\r
  27 \r
  28         for(i=1; i<argc; i++) {\r
  29                 if(argv[i][0] == '-') {\r
  30                         if(strcmp(argv[i], "-v") == 0 || strcmp(argv[i], "-volume") == 0) {\r
  31                                 if(!argv[++i] || (vol = atoi(argv[i])) <= 0 || vol > 100) {\r
  32                                         fprintf(stderr, "%s must be followed by a number 1-100\n", argv[-1]);\r
  33                                         return 1;\r
  34                                 }\r
  35                                 audio_setvolume(AUDIO_MASTER, vol * 255 / 100);\r
  36 \r
  37                         } else if(strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "-help") == 0) {\r
  38                                 print_usage(argv[0]);\r
  39                                 return 0;\r
  40                         } else {\r
  41                                 fprintf(stderr, "invalid option: %s\n", argv[i]);\r
  42                                 return 1;\r
  43                         }\r
  44                 } else {\r
  45                         play_file(argv[i]);\r
  46                         if(quit) break;\r
  47                 }\r
  48         }\r
  49         return 0;\r
  50 }\r
  51 \r
  52 static unsigned char *dbg_samples;\r
  53 static int dbg_cur_offs;\r
  54 \r
  55 static int play_file(const char *fname)\r
  56 {\r
  57         struct au_file *au;\r
  58         int paused = 0, muted = 0;\r
  59         unsigned long prev;\r
  60 \r
  61         if(!(au = au_open(fname))) {\r
  62                 return -1;\r
  63         }\r
  64 \r
  65         audio_set_callback(cbfunc, au);\r
  66 \r
  67 #ifdef DBG_PRELOAD\r
  68         if(!(dbg_samples = malloc(au->size))) {\r
  69                 perror("failed to preload samples into memory");\r
  70                 return -1;\r
  71         }\r
  72         dbg_cur_offs = 0;\r
  73         if(au_read(au, dbg_samples, au->size) < au->size) {\r
  74                 perror("failed to preload samples into memory");\r
  75                 return -1;\r
  76         }\r
  77 #endif\r
  78 \r
  79         audio_play(au->rate, au->bits, au->chan);\r
  80         while(audio_isplaying()) {\r
  81                 if(kbhit()) {\r
  82                         int c = getch();\r
  83                         switch(c) {\r
  84                         case 27:\r
  85                                 audio_stop();\r
  86                                 quit = 1;\r
  87                                 goto end;\r
  88 \r
  89                         case ' ':\r
  90                                 paused = !paused;\r
  91                                 if(paused) {\r
  92                                         audio_pause();\r
  93                                         printf("pause\n");\r
  94                                 } else {\r
  95                                         audio_resume();\r
  96                                         printf("resume\n");\r
  97                                 }\r
  98                                 break;\r
  99 \r
 100                         case '=':\r
 101                                 vol += 32;\r
 102                                 if(vol > 255) vol = 255;\r
 103                                 audio_setvolume(AUDIO_DEFAULT, vol);\r
 104                                 printf("volume: %d%%\n", 101 * vol / 256);\r
 105                                 break;\r
 106 \r
 107                         case '-':\r
 108                                 vol -= 32;\r
 109                                 if(vol < 0) vol = 0;\r
 110                                 audio_setvolume(AUDIO_DEFAULT, vol);\r
 111                                 printf("volume: %d%%\n", 101 * vol / 256);\r
 112                                 break;\r
 113 \r
 114                         case 'm':\r
 115                                 muted = !muted;\r
 116                                 if(muted) {\r
 117                                         audio_setvolume(AUDIO_DEFAULT, 0);\r
 118                                 } else {\r
 119                                         audio_setvolume(AUDIO_DEFAULT, vol);\r
 120                                 }\r
 121                                 break;\r
 122 \r
 123                         default:\r
 124                                 break;\r
 125                         }\r
 126                 }\r
 127 \r
 128                 _disable();\r
 129                 if(dbg_cur_offs != prev) {\r
 130                         prev = dbg_cur_offs;\r
 131                         _enable();\r
 132 \r
 133                         printf("%3d%% - offs: %lu/%lu\n", 100 * prev / au->size, prev, au->size);\r
 134                 } else {\r
 135                         _enable();\r
 136                 }\r
 137 \r
 138         }\r
 139 \r
 140 end:\r
 141         au_close(au);\r
 142 #ifdef DBG_PRELOAD\r
 143         free(dbg_samples);\r
 144 #endif\r
 145         return 0;\r
 146 }\r
 147 \r
 148 #ifdef DBG_PRELOAD\r
 149 static int cbfunc(void *buf, int size, void *cls)\r
 150 {\r
 151         struct au_file *au = cls;\r
 152 \r
 153         if(dbg_cur_offs + size > au->size) {\r
 154                 size = au->size - dbg_cur_offs;\r
 155         }\r
 156         if(size <= 0) return 0;\r
 157 \r
 158         memcpy(buf, dbg_samples + dbg_cur_offs, size);\r
 159         dbg_cur_offs += size;\r
 160         return size;\r
 161 }\r
 162 #else\r
 163 static int cbfunc(void *buf, int size, void *cls)\r
 164 {\r
 165         int rd;\r
 166 \r
 167         if((rd = au_read(cls, buf, size)) <= 0) {\r
 168                 return 0;\r
 169         }\r
 170         return rd;\r
 171 }\r
 172 #endif\r
 173 \r
 174 static void print_usage(const char *argv0)\r
 175 {\r
 176         printf("Usage: %s [options] <file1> <file2> ... <filen>\n", argv0);\r
 177         printf("options:\n");\r
 178         printf(" -v,-volume <percent>: set audio volume (1-100)\n");\r
 179         printf(" -h,-help: print usage and exit\n");\r
 180 }\r