MythTV: bitreader.h Source File

00001 /*
00002  * Copyright (C) 2000, 2001, 2002 Håkan Hjort <d95hjort@dtek.chalmers.se>.
00003  *
00004  * This file is part of libdvdread.
00005  *
00006  * libdvdread is free software; you can redistribute it and/or modify
00007  * it under the terms of the GNU General Public License as published by
00008  * the Free Software Foundation; either version 2 of the License, or
00009  * (at your option) any later version.
00010  *
00011  * libdvdread is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00014  * GNU General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU General Public License along
00017  * with libdvdread; if not, write to the Free Software Foundation, Inc.,
00018  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
00019  */
00020 
00021 #ifndef LIBDVDREAD_BITREADER_H
00022 #define LIBDVDREAD_BITREADER_H
00023 
00024 #ifdef __cplusplus
00025 extern "C" {
00026 #endif
00027 
00028 typedef struct {
00029   uint8_t *start;
00030   uint32_t byte_position;
00031   uint32_t bit_position;
00032   uint8_t byte;
00033 } getbits_state_t;
00034 
00035 int dvdread_getbits_init(getbits_state_t *state, uint8_t *start);
00036 uint32_t dvdread_getbits(getbits_state_t *state, uint32_t number_of_bits);
00037 
00038 #ifdef __cplusplus
00039 };
00040 #endif
00041 #endif /* LIBDVDREAD_BITREADER_H */