modules/demux/rtp.h

   1 /**
   2  * @file rtp.h
   3  * @brief RTP demux module shared declarations
   4  */
   5 /*****************************************************************************
   6  * Copyright © 2008 Rémi Denis-Courmont
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU General Public License
  10  * as published by the Free Software Foundation; either version 2.0
  11  * of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16  * GNU General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  21  ****************************************************************************/
  22
  23 /* RTP payload format */
  24 typedef struct rtp_pt_t rtp_pt_t;
  25 struct rtp_pt_t
  26 {
  27     void   *(*init) (demux_t *);
  28     void    (*destroy) (demux_t *, void *);
  29     void    (*decode) (demux_t *, void *, block_t *);
  30     uint32_t  frequency; /* RTP clock rate (Hz) */
  31     uint8_t   number;
  32 };
  33
  34 /* RTP session */
  35 typedef struct rtp_session_t rtp_session_t;
  36 rtp_session_t *rtp_session_create (demux_t *);
  37 void rtp_session_destroy (demux_t *, rtp_session_t *);
  38 void rtp_receive (demux_t *, rtp_session_t *, block_t *);
  39 int rtp_add_type (demux_t *demux, rtp_session_t *ses, const rtp_pt_t *pt);
  40
  41
  42 /* Global data */
  43 struct demux_sys_t
  44 {
  45     rtp_session_t *session;
  46     struct srtp_session_t *srtp;
  47     int           fd;
  48
  49     unsigned      caching;
  50     unsigned      timeout;
  51     uint8_t       max_src;
  52     uint16_t      max_dropout;
  53     uint16_t      max_misorder;
  54     bool          autodetect;
  55     bool          framed_rtp;
  56 };
  57