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#ifndef QR_BITSTREAM_H
#define QR_BITSTREAM_H
#include <stddef.h>
/**
* Note: when writing / reading multiple bits, the
* _most_ significant bits come first in the stream.
* (That is, the order you would naturally write the
* number in binary)
*/
struct bitstream;
struct bitstream * bitstream_create(void);
int bitstream_resize(struct bitstream *, size_t bits);
void bitstream_destroy(struct bitstream *);
struct bitstream * bitstream_copy(const struct bitstream *);
void bitstream_seek(struct bitstream *, size_t pos);
size_t bitstream_tell(const struct bitstream *);
size_t bitstream_remaining(const struct bitstream *);
size_t bitstream_size(const struct bitstream *);
unsigned int bitstream_read(struct bitstream *, size_t bits);
void bitstream_unpack(struct bitstream *,
unsigned int * result,
size_t count,
size_t bitsize);
int bitstream_write(struct bitstream *,
unsigned int value,
size_t bits);
int bitstream_pack(struct bitstream *,
const unsigned int * values,
size_t count,
size_t bitsize);
int bitstream_cat(struct bitstream *, const struct bitstream * src);
#endif
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