You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
27 lines
611 B
27 lines
611 B
5 years ago
|
#ifndef bitstream_H
|
||
|
|
#define bitstream_H
|
||
|
|
|
||
|
|
|
||
|
|
#include <stddef.h>
|
||
|
|
#include <stdint.h>
|
||
|
|
|
||
|
|
struct bitstream {
|
||
|
|
const uint8_t *buffer_ptr;
|
||
|
|
const uint8_t *buffer_end;
|
||
|
|
uint64_t value;
|
||
|
|
uint32_t pos;
|
||
|
|
uint32_t shift;
|
||
|
|
size_t size;
|
||
|
|
};
|
||
|
|
|
||
|
|
void bs_init(struct bitstream *bs, const uint8_t *buffer, size_t input_size);
|
||
|
|
void bs_seek(struct bitstream *bs, size_t new_pos);
|
||
|
|
uint32_t bs_get(struct bitstream *bs, int n);
|
||
|
|
uint32_t bs_peek(struct bitstream *bs, int n);
|
||
|
|
size_t bs_remain(struct bitstream *bs);
|
||
|
|
int bs_eof(struct bitstream *bs);
|
||
|
|
uint32_t bs_ue(struct bitstream *bs);
|
||
|
|
int32_t bs_se(struct bitstream *bs);
|
||
|
|
|
||
|
|
#endif
|