code.delx.au - pulseaudio/blob - polyp/pacat-simple.c

   1 /* $Id$ */
   2
   3 /***
   4   This file is part of polypaudio.
   5
   6   polypaudio is free software; you can redistribute it and/or modify
   7   it under the terms of the GNU General Public License as published
   8   by the Free Software Foundation; either version 2 of the License,
   9   or (at your option) any later version.
  10
  11   polypaudio is distributed in the hope that it will be useful, but
  12   WITHOUT ANY WARRANTY; without even the implied warranty of
  13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  14   General Public License for more details.
  15
  16   You should have received a copy of the GNU General Public License
  17   along with polypaudio; if not, write to the Free Software
  18   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  19   USA.
  20 ***/
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <stdio.h>
  27 #include <unistd.h>
  28 #include <string.h>
  29 #include <errno.h>
  30
  31 #include "polyplib-simple.h"
  32 #include "polyplib-error.h"
  33
  34 #define BUFSIZE 1024
  35
  36 int main(int argc, char*argv[]) {
  37     static const struct pa_sample_spec ss = {
  38         .format = PA_SAMPLE_S16LE,
  39         .rate = 44100,
  40         .channels = 2
  41     };
  42     struct pa_simple *s = NULL;
  43     int ret = 1;
  44     int error;
  45
  46     if (!(s = pa_simple_new(NULL, argv[0], PA_STREAM_PLAYBACK, NULL, "playback", &ss, NULL, &error))) {
  47         fprintf(stderr, __FILE__": pa_simple_new() failed: %s\n", pa_strerror(error));
  48         goto finish;
  49     }
  50
  51     for (;;) {
  52         uint8_t buf[BUFSIZE];
  53         ssize_t r;
  54
  55         if ((r = read(STDIN_FILENO, buf, sizeof(buf))) <= 0) {
  56             if (r == 0) /* eof */
  57                 break;
  58
  59             fprintf(stderr, __FILE__": read() failed: %s\n", strerror(errno));
  60             goto finish;
  61         }
  62
  63         if (pa_simple_write(s, buf, r, &error) < 0) {
  64             fprintf(stderr, __FILE__": pa_simple_write() failed: %s\n", pa_strerror(error));
  65             goto finish;
  66         }
  67     }
  68
  69     /* Make sure that every single sample way played */
  70     if (pa_simple_drain(s, &error) < 0) {
  71         fprintf(stderr, __FILE__": pa_simple_drain() failed: %s\n", pa_strerror(error));
  72         goto finish;
  73     }
  74
  75     ret = 0;
  76
  77 finish:
  78
  79     if (s)
  80         pa_simple_free(s);
  81
  82     return ret;
  83 }