len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-10-14 10:37:38 -04:00
Code Issues Projects Releases Packages Wiki Activity Actions

codeclib: make selective inclusion of macros and inline functions from the codeclib_misc.h header easier and clean out some old libtremor stuff.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29985 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Nils Wallménius 2011-06-08 10:35:27 +00:00
parent 6672766dfe
commit d5ceb4ce2b
3 changed files with 54 additions and 41 deletions
Download patch file Download diff file Expand all files Collapse all files

59
apps/codecs/lib/codeclib_misc.h
View file

@ -15,32 +15,15 @@
********************************************************************/
//#include "config-tremor.h"
#ifndef _V_RANDOM_H_
#define _V_RANDOM_H_
//#include "ivorbiscodec.h"
//#include "os_types.h"
#ifndef _CODECLIB_MISC_H_
#define _CODECLIB_MISC_H_
#include <stdint.h>
#include "asm_arm.h"
#include "asm_mcf5249.h"
/* Some prototypes that were not defined elsewhere */
//void *_vorbis_block_alloc(vorbis_block *vb,long bytes);
//void _vorbis_block_ripcord(vorbis_block *vb);
//extern int _ilog(unsigned int v);
#ifndef _V_WIDE_MATH
#define _V_WIDE_MATH
#ifndef ROCKBOX
#include <inttypes.h>
#endif /* ROCKBOX */
#ifndef _LOW_ACCURACY_
/* 64 bit multiply */
/* #include <sys/types.h> */
#ifdef ROCKBOX_LITTLE_ENDIAN
union magic {
@ -60,29 +43,43 @@ union magic {
};
#endif
#ifndef INCL_OPTIMIZED_MULT32
#define INCL_OPTIMIZED_MULT32
static inline int32_t MULT32(int32_t x, int32_t y) {
union magic magic;
magic.whole = (int64_t)x * y;
return magic.halves.hi;
}
#endif
#ifndef INCL_OPTIMIZED_MULT31
#define INCL_OPTIMIZED_MULT31
static inline int32_t MULT31(int32_t x, int32_t y) {
return MULT32(x,y)<<1;
}
#endif
#ifndef INCL_OPTIMIZED_MULT31_SHIFT15
#define INCL_OPTIMIZED_MULT31_SHIFT15
static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
union magic magic;
magic.whole = (int64_t)x * y;
return ((uint32_t)(magic.halves.lo)>>15) | ((magic.halves.hi)<<17);
}
#endif
#ifndef INCL_OPTIMIZED_MULT31_SHIFT16
#define INCL_OPTIMIZED_MULT31_SHIFT16
static inline int32_t MULT31_SHIFT16(int32_t x, int32_t y) {
union magic magic;
magic.whole = (int64_t)x * y;
return ((uint32_t)(magic.halves.lo)>>16) | ((magic.halves.hi)<<16);
}
#endif
#else
/* Rockbox: unused */
#if 0
/* 32 bit multiply, more portable but less accurate */
/*
@ -110,6 +107,7 @@ static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
return (x >> 6) * y; /* y preshifted >>9 */
}
#endif
#endif
/*
* The XPROD functions are meant to optimize the cross products found all
@ -121,13 +119,17 @@ static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
* macros.
*/
#ifndef INCL_OPTIMIZED_XPROD32
#define INCL_OPTIMIZED_XPROD32
/* replaced XPROD32 with a macro to avoid memory reference
_x, _y are the results (must be l-values) */
#define XPROD32(_a, _b, _t, _v, _x, _y) \
{ (_x)=MULT32(_a,_t)+MULT32(_b,_v); \
(_y)=MULT32(_b,_t)-MULT32(_a,_v); }
#endif
/* Rockbox: Unused */
/*
#ifdef __i386__
#define XPROD31(_a, _b, _t, _v, _x, _y) \
@ -138,7 +140,10 @@ static inline int32_t MULT31_SHIFT15(int32_t x, int32_t y) {
*(_y)=MULT31(_b,_t)+MULT31(_a,_v); }
#else
*/
#ifndef INCL_OPTIMIZED_XPROD31
#define INCL_OPTIMIZED_XPROD31
static inline void XPROD31(int32_t a, int32_t b,
int32_t t, int32_t v,
int32_t *x, int32_t *y)
@ -146,7 +151,10 @@ static inline void XPROD31(int32_t a, int32_t b,
*x = MULT31(a, t) + MULT31(b, v);
*y = MULT31(b, t) - MULT31(a, v);
}
#endif
#ifndef INCL_OPTIMIZED_XNPROD31
#define INCL_OPTIMIZED_XNPROD31
static inline void XNPROD31(int32_t a, int32_t b,
int32_t t, int32_t v,
int32_t *x, int32_t *y)
@ -155,19 +163,25 @@ static inline void XNPROD31(int32_t a, int32_t b,
*y = MULT31(b, t) + MULT31(a, v);
}
#endif
/*#endif*/
#ifndef INCL_OPTIMIZED_XPROD31_R
#define INCL_OPTIMIZED_XPROD31_R
#define XPROD31_R(_a, _b, _t, _v, _x, _y)\
{\
_x = MULT31(_a, _t) + MULT31(_b, _v);\
_y = MULT31(_b, _t) - MULT31(_a, _v);\
}
#endif
#ifndef INCL_OPTIMIZED_XNPROD31_R
#define INCL_OPTIMIZED_XNPROD31_R
#define XNPROD31_R(_a, _b, _t, _v, _x, _y)\
{\
_x = MULT31(_a, _t) - MULT31(_b, _v);\
_y = MULT31(_b, _t) + MULT31(_a, _v);\
}
#endif
#ifndef _V_VECT_OPS
#define _V_VECT_OPS
@ -213,7 +227,6 @@ void vect_mult_bw(int32_t *data, int32_t *window, int n)
}
#endif
#endif
/* not used anymore */
/*
#ifndef _V_CLIP_MATH