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Implemented "raw bits"

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Making it so all the information encoded directly with ec_enc_bits() gets
stored at the end of the stream, without going through the range coder. This
should be both faster and reduce the effects of bit errors.

Conflicts:

	tests/ectest.c
This commit is contained in:
Jean-Marc Valin 2009-06-17 23:23:46 -04:00
parent 8d940a664e
commit c08be4485b
9 changed files with 101 additions and 19 deletions
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3
libcelt/entcode.h
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@ -56,6 +56,7 @@ typedef struct ec_byte_buffer ec_byte_buffer;
struct ec_byte_buffer{
unsigned char *buf;
unsigned char *ptr;
unsigned char *end_ptr;
long storage;
int resizable;
};
@ -65,12 +66,14 @@ void ec_byte_writeinit_buffer(ec_byte_buffer *_b, unsigned char *_buf, long _siz
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_write_at_end(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);
unsigned char ec_byte_look_at_end(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);