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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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