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/******************************************************************
iLBC Speech Coder ANSI-C Source Code
packing.h
Copyright (C) The Internet Society (2004).
All Rights Reserved.
******************************************************************/
#ifndef __PACKING_H
#define __PACKING_H
void packsplit(
int *index, /* (i) the value to split */
int *firstpart, /* (o) the value specified by most
significant bits */
int *rest, /* (o) the value specified by least
significant bits */
int bitno_firstpart, /* (i) number of bits in most
significant part */
int bitno_total /* (i) number of bits in full range
of value */
);
void packcombine(
int *index, /* (i/o) the msb value in the
combined value out */
int rest, /* (i) the lsb value */
int bitno_rest /* (i) the number of bits in the
lsb part */
);
void dopack(
unsigned char **bitstream, /* (i/o) on entrance pointer to
place in bitstream to pack
new data, on exit pointer
to place in bitstream to
pack future data */
int index, /* (i) the value to pack */
int bitno, /* (i) the number of bits that the
value will fit within */
int *pos /* (i/o) write position in the
current byte */
);
void unpack(
unsigned char **bitstream, /* (i/o) on entrance pointer to
place in bitstream to
unpack new data from, on
exit pointer to place in
bitstream to unpack future
data from */
int *index, /* (o) resulting value */
int bitno, /* (i) number of bits used to
represent the value */
int *pos /* (i/o) read position in the
current byte */
);
#endif
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