modules/codec/atsc_a65.h

   1 /*****************************************************************************
   2  * atsc_a65.h : ATSC A65 decoding helpers
   3  *****************************************************************************
   4  * Copyright (C) 2016 - VideoLAN Authors
   5  *
   6  * This program is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU Lesser General Public License as published by
   8  * the Free Software Foundation; either version 2.1 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  14  * GNU Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  18  *****************************************************************************/
  19 #ifndef VLC_ATSC_A65_H
  20 #define VLC_ATSC_A65_H
  21
  22 #define GPS_UTC_EPOCH_OFFSET 315964800
  23
  24 typedef struct atsc_a65_handle_t atsc_a65_handle_t;
  25
  26 atsc_a65_handle_t *atsc_a65_handle_New( const char *psz_lang );
  27 void atsc_a65_handle_Release( atsc_a65_handle_t * );
  28
  29 char * atsc_a65_Decode_multiple_string( atsc_a65_handle_t *, const uint8_t *, size_t );
  30 char * atsc_a65_Decode_simple_UTF16_string( atsc_a65_handle_t *, const uint8_t *, size_t );
  31
  32 static inline time_t atsc_a65_GPSTimeToEpoch( time_t i_seconds, time_t i_gpstoepoch_leaptime_offset )
  33 {
  34     return i_seconds + GPS_UTC_EPOCH_OFFSET - i_gpstoepoch_leaptime_offset;
  35 }
  36
  37 #endif