ir-remote/decode.c

   1 #include <ucw/lib.h>
   2 #include <ucw/fastbuf.h>
   3 #include <ucw/unaligned.h>
   4
   5 #include <stdio.h>
   6
   7 int main(void)
   8 {
   9         struct fastbuf *f = bfdopen_shared(0, 4096);
  10
  11         byte hdr[48];
  12         breadb(f, hdr, sizeof(hdr));
  13
  14         uint i = 0;
  15         int last = -1;
  16         uint lasti = 0;
  17         for (;;) {
  18                 byte x[2];
  19                 if (!bread(f, x, 2))
  20                         break;
  21                 int a = (s16) get_u16_le(x);
  22                 int boo = (a >= 8000);
  23                 if (boo != last) {
  24                         if (last >= 0) {
  25                                 uint len = i - lasti;
  26 #if 0
  27                                 printf("%d\t%d\t%6.3f\n", last, len, (double)len / 44100 * 1000);
  28 #else
  29                                 if (!last) {
  30                                         if (len > 2000) {
  31                                                 putchar('\n');
  32                                         } else if (len >= 26 && len <= 32) {
  33                                         } else {
  34                                                 printf("<%d>", len);
  35                                         }
  36                                 } else {
  37                                         if (len >= 18 && len <= 24) {
  38                                                 putchar('0');
  39                                         } else if (len >= 68 && len <= 72) {
  40                                                 putchar('1');
  41                                         } else if (len >= 194 && len <= 200) {
  42                                                 putchar('^');
  43                                         } else {
  44                                                 printf("[%d]", len);
  45                                         }
  46                                 }
  47 #endif
  48                         }
  49                         last = boo;
  50                         lasti = i;
  51                 }
  52                 i++;
  53         }
  54         putchar('\n');
  55 }