mirror of
https://github.com/xiph/opus.git
synced 2025-06-06 15:30:48 +00:00
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
#include "celt_types.h"
|
|
|
|
#if !defined(_entcode_H)
|
|
# define _entcode_H (1)
|
|
# include <limits.h>
|
|
# include "ecintrin.h"
|
|
|
|
|
|
|
|
typedef celt_uint32_t ec_uint32;
|
|
typedef celt_uint64_t ec_uint64;
|
|
typedef struct ec_byte_buffer ec_byte_buffer;
|
|
|
|
|
|
|
|
/*The number of bits to code at a time when coding bits directly.*/
|
|
# define EC_UNIT_BITS (8)
|
|
/*The mask for the given bits.*/
|
|
# define EC_UNIT_MASK ((1U<<EC_UNIT_BITS)-1)
|
|
|
|
|
|
|
|
/*Simple libogg1-style buffer.*/
|
|
struct ec_byte_buffer{
|
|
unsigned char *buf;
|
|
unsigned char *ptr;
|
|
long storage;
|
|
};
|
|
|
|
/*Encoding functions.*/
|
|
void ec_byte_writeinit(ec_byte_buffer *_b);
|
|
void ec_byte_writetrunc(ec_byte_buffer *_b,long _bytes);
|
|
void ec_byte_write1(ec_byte_buffer *_b,unsigned _value);
|
|
void ec_byte_write4(ec_byte_buffer *_b,ec_uint32 _value);
|
|
void ec_byte_writecopy(ec_byte_buffer *_b,void *_source,long _bytes);
|
|
void ec_byte_writeclear(ec_byte_buffer *_b);
|
|
/*Decoding functions.*/
|
|
void ec_byte_readinit(ec_byte_buffer *_b,unsigned char *_buf,long _bytes);
|
|
int ec_byte_look1(ec_byte_buffer *_b);
|
|
int ec_byte_look4(ec_byte_buffer *_b,ec_uint32 *_val);
|
|
void ec_byte_adv1(ec_byte_buffer *_b);
|
|
void ec_byte_adv4(ec_byte_buffer *_b);
|
|
int ec_byte_read1(ec_byte_buffer *_b);
|
|
int ec_byte_read4(ec_byte_buffer *_b,ec_uint32 *_val);
|
|
/*Shared functions.*/
|
|
void ec_byte_reset(ec_byte_buffer *_b);
|
|
long ec_byte_bytes(ec_byte_buffer *_b);
|
|
unsigned char *ec_byte_get_buffer(ec_byte_buffer *_b);
|
|
|
|
int ec_ilog(ec_uint32 _v);
|
|
int ec_ilog64(ec_uint64 _v);
|
|
|
|
#endif
|