example.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <unistd.h>
   4
   5 #ifdef WIN32
   6 #include <windows.h>
   7 #endif
   8
   9 #include "dnssd.h"
  10 #include "raop.h"
  11
  12 static void
  13 audio_init(void *cls, void **session, int bits, int channels, int samplerate)
  14 {
  15         *session = fopen("audio.pcm", "wb");
  16 }
  17
  18 static void
  19 audio_set_volume(void *cls, void *session, float volume)
  20 {
  21         printf("Setting volume to %f\n", volume);
  22 }
  23
  24 static void
  25 audio_process(void *cls, void *session, const void *buffer, int buflen)
  26 {
  27         int orig = buflen;
  28         while (buflen > 0) {
  29                 buflen -= fwrite(buffer+orig-buflen, 1, buflen, session);
  30         }
  31 }
  32
  33 static void
  34 audio_flush(void *cls, void *session)
  35 {
  36         printf("Flushing audio\n");
  37 }
  38
  39 static void
  40 audio_destroy(void *cls, void *session)
  41 {
  42         fclose(session);
  43 }
  44
  45 int
  46 main(int argc, char *argv[])
  47 {
  48         const char *name = "AppleTV";
  49         unsigned short raop_port = 5000;
  50         const char hwaddr[] = { 0x48, 0x5d, 0x60, 0x7c, 0xee, 0x22 };
  51
  52         dnssd_t *dnssd;
  53         raop_t *raop;
  54         raop_callbacks_t raop_cbs;
  55
  56         raop_cbs.cls = NULL;
  57         raop_cbs.audio_init = audio_init;
  58         raop_cbs.audio_set_volume = audio_set_volume;
  59         raop_cbs.audio_process = audio_process;
  60         raop_cbs.audio_flush = audio_flush;
  61         raop_cbs.audio_destroy = audio_destroy;
  62
  63         raop = raop_init_from_keyfile(&raop_cbs, "airport.key");
  64         raop_start(raop, &raop_port, hwaddr, sizeof(hwaddr));
  65
  66         dnssd = dnssd_init(hwaddr, sizeof(hwaddr), NULL);
  67         dnssd_register_raop(dnssd, name, raop_port);
  68
  69 #ifndef WIN32
  70         sleep(100);
  71 #else
  72         Sleep(100*1000);
  73 #endif
  74
  75         dnssd_unregister_raop(dnssd);
  76         dnssd_destroy(dnssd);
  77
  78         raop_stop(raop);
  79         raop_destroy(raop);
  80
  81         return 0;
  82 }
  83