code.delx.au - pulseaudio/blob - src/modules/rtp/rtp.h

   1 #ifndef foortphfoo
   2 #define foortphfoo
   3
   4 /* $Id$ */
   5
   6 /***
   7   This file is part of polypaudio.
   8
   9   polypaudio is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU Lesser General Public License as published
  11   by the Free Software Foundation; either version 2 of the License,
  12   or (at your option) any later version.
  13
  14   polypaudio is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with polypaudio; if not, write to the Free Software
  21   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
  22   USA.
  23 ***/
  24
  25 #include <inttypes.h>
  26 #include <sys/socket.h>
  27 #include <sys/types.h>
  28 #include <polypcore/memblockq.h>
  29 #include <polypcore/memchunk.h>
  30
  31 typedef struct pa_rtp_context {
  32     int fd;
  33     uint16_t sequence;
  34     uint32_t timestamp;
  35     uint32_t ssrc;
  36     uint8_t payload;
  37     size_t frame_size;
  38 } pa_rtp_context;
  39
  40 pa_rtp_context* pa_rtp_context_init_send(pa_rtp_context *c, int fd, uint32_t ssrc, uint8_t payload, size_t frame_size);
  41 int pa_rtp_send(pa_rtp_context *c, size_t size, pa_memblockq *q);
  42
  43 pa_rtp_context* pa_rtp_context_init_recv(pa_rtp_context *c, int fd, size_t frame_size);
  44 int pa_rtp_recv(pa_rtp_context *c, pa_memchunk *chunk, pa_memblock_stat *st);
  45
  46 void pa_rtp_context_destroy(pa_rtp_context *c);
  47
  48 pa_sample_spec* pa_rtp_sample_spec_fixup(pa_sample_spec *ss);
  49 int pa_rtp_sample_spec_valid(const pa_sample_spec *ss);
  50
  51 uint8_t pa_rtp_payload_from_sample_spec(const pa_sample_spec *ss);
  52 pa_sample_spec *pa_rtp_sample_spec_from_payload(uint8_t payload, pa_sample_spec *ss);
  53
  54 const char* pa_rtp_format_to_string(pa_sample_format_t f);
  55 pa_sample_format_t pa_rtp_string_to_format(const char *s);
  56
  57 #endif