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/*****************************************************************
* gmerlin-avdecoder - a general purpose multimedia decoding library
*
* Copyright (c) 2001 - 2024 Members of the Gmerlin project
* http://github.com/bplaum
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
* *****************************************************************/
#ifndef BGAV_BITSTREAM_H_INCLUDED
#define BGAV_BITSTREAM_H_INCLUDED
/* bitstream.c */
typedef struct
{
const uint8_t * pos;
const uint8_t * end;
int bit_cache;
uint32_t c;
} bgav_bitstream_t;
void bgav_bitstream_init(bgav_bitstream_t * b, const uint8_t * pos,
int len);
int bgav_bitstream_get(bgav_bitstream_t * b, int * ret, int bits);
int bgav_bitstream_get_long(bgav_bitstream_t * b, int64_t * ret, int bits);
int bgav_bitstream_get_bits(bgav_bitstream_t * b);
int bgav_bitstream_peek(bgav_bitstream_t * b, int * ret, int bits);
int bgav_bitstream_skip(bgav_bitstream_t * b, int bits);
/* Special parsing functions */
int bgav_bitstream_get_golomb_ue(bgav_bitstream_t * b, int * ret);
int bgav_bitstream_get_golomb_se(bgav_bitstream_t * b, int * ret);
int bgav_bitstream_decode012(bgav_bitstream_t * b, int * ret);
int bgav_bitstream_get_unary(bgav_bitstream_t * b, int stop,
int len, int * ret);
#endif // BGAV_BITSTREAM_H_INCLUDED
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