code.delx.au - pulseaudio/blob - src/polypcore/pstream-util.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 Lesser General Public License as
   8   published by the Free Software Foundation; either version 2.1 of the
   9   License, 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   Lesser General Public License for more details.
  15
  16   You should have received a copy of the GNU Lesser General Public
  17   License 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 <assert.h>
  27
  28 #include "native-common.h"
  29 #include "pstream-util.h"
  30
  31 void pa_pstream_send_tagstruct(pa_pstream *p, pa_tagstruct *t) {
  32     size_t length;
  33     uint8_t *data;
  34     pa_packet *packet;
  35     assert(p);
  36     assert(t);
  37
  38     data = pa_tagstruct_free_data(t, &length);
  39     assert(data && length);
  40     packet = pa_packet_new_dynamic(data, length);
  41     assert(packet);
  42     pa_pstream_send_packet(p, packet);
  43     pa_packet_unref(packet);
  44 }
  45
  46 void pa_pstream_send_error(pa_pstream *p, uint32_t tag, uint32_t error) {
  47     pa_tagstruct *t = pa_tagstruct_new(NULL, 0);
  48     assert(t);
  49     pa_tagstruct_putu32(t, PA_COMMAND_ERROR);
  50     pa_tagstruct_putu32(t, tag);
  51     pa_tagstruct_putu32(t, error);
  52     pa_pstream_send_tagstruct(p, t);
  53 }
  54
  55 void pa_pstream_send_simple_ack(pa_pstream *p, uint32_t tag) {
  56     pa_tagstruct *t = pa_tagstruct_new(NULL, 0);
  57     assert(t);
  58     pa_tagstruct_putu32(t, PA_COMMAND_REPLY);
  59     pa_tagstruct_putu32(t, tag);
  60     pa_pstream_send_tagstruct(p, t);
  61 }