modules/packetizer/dts_header.h

   1 /*****************************************************************************
   2  * dts_header.c: parse DTS audio headers info
   3  *****************************************************************************
   4  * Copyright (C) 2004-2016 VLC authors and VideoLAN
   5  * $Id$
   6  *
   7  * Authors: Gildas Bazin <gbazin@netcourrier.com>
   8  *          Laurent Aimar
   9  *
  10  * This program is free software; you can redistribute it and/or modify it
  11  * under the terms of the GNU Lesser General Public License as published by
  12  * the Free Software Foundation; either version 2.1 of the License, or
  13  * (at your option) any later version.
  14  *
  15  * This program is distributed in the hope that it will be useful,
  16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  18  * GNU Lesser General Public License for more details.
  19  *
  20  * You should have received a copy of the GNU Lesser General Public License
  21  * along with this program; if not, write to the Free Software Foundation,
  22  * Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
  23  *****************************************************************************/
  24
  25 #define VLC_DTS_HEADER_SIZE 14
  26
  27 typedef struct
  28 {
  29     bool            b_substream;
  30     unsigned int    i_rate;
  31     unsigned int    i_bitrate;
  32     unsigned int    i_frame_size;
  33     unsigned int    i_frame_length;
  34     uint16_t        i_physical_channels;
  35     uint16_t        i_chan_mode;
  36 } vlc_dts_header_t;
  37
  38 int     vlc_dts_header_Parse( vlc_dts_header_t *p_header,
  39                               const void *p_buffer, size_t i_buffer);
  40
  41 bool    vlc_dts_header_IsSync( const void *p_buffer, size_t i_buffer );