--- a/misc/libtremor/tremor/misc.h Sun Oct 28 03:48:37 2012 +0100
+++ b/misc/libtremor/tremor/misc.h Sun Oct 28 04:00:07 2012 +0100
@@ -6,7 +6,7 @@
* GOVERNED BY A BSD-STYLE SOURCE LICENSE INCLUDED WITH THIS SOURCE *
* IN 'COPYING'. PLEASE READ THESE TERMS BEFORE DISTRIBUTING. *
* *
- * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2003 *
+ * THE OggVorbis 'TREMOR' SOURCE CODE IS (C) COPYRIGHT 1994-2002 *
* BY THE Xiph.Org FOUNDATION http://www.xiph.org/ *
* *
********************************************************************
@@ -18,26 +18,10 @@
#ifndef _V_RANDOM_H_
#define _V_RANDOM_H_
#include "ivorbiscodec.h"
-#include "os_types.h"
-
-/*#define _VDBG_GRAPHFILE "_0.m"*/
-
-#ifdef _VDBG_GRAPHFILE
-extern void *_VDBG_malloc(void *ptr,long bytes,char *file,long line);
-extern void _VDBG_free(void *ptr,char *file,long line);
-
-#undef _ogg_malloc
-#undef _ogg_calloc
-#undef _ogg_realloc
-#undef _ogg_free
-
-#define _ogg_malloc(x) _VDBG_malloc(NULL,(x),__FILE__,__LINE__)
-#define _ogg_calloc(x,y) _VDBG_malloc(NULL,(x)*(y),__FILE__,__LINE__)
-#define _ogg_realloc(x,y) _VDBG_malloc((x),(y),__FILE__,__LINE__)
-#define _ogg_free(x) _VDBG_free((x),__FILE__,__LINE__)
-#endif
+#include "os.h"
#include "asm_arm.h"
+#include <stdlib.h> /* for abs() */
#ifndef _V_WIDE_MATH
#define _V_WIDE_MATH
@@ -45,7 +29,9 @@
#ifndef _LOW_ACCURACY_
/* 64 bit multiply */
+#if !(defined WIN32 && defined WINCE)
#include <sys/types.h>
+#endif
#if BYTE_ORDER==LITTLE_ENDIAN
union magic {
@@ -58,26 +44,26 @@
#endif
#if BYTE_ORDER==BIG_ENDIAN
-union magic {
+/*union magic {
struct {
ogg_int32_t hi;
ogg_int32_t lo;
} halves;
ogg_int64_t whole;
-};
+};*/
#endif
-static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
union magic magic;
magic.whole = (ogg_int64_t)x * y;
return magic.halves.hi;
}
-static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
return MULT32(x,y)<<1;
}
-static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
union magic magic;
magic.whole = (ogg_int64_t)x * y;
return ((ogg_uint32_t)(magic.halves.lo)>>15) | ((magic.halves.hi)<<17);
@@ -99,15 +85,15 @@
* tables in this case.
*/
-static inline ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT32(ogg_int32_t x, ogg_int32_t y) {
return (x >> 9) * y; /* y preshifted >>23 */
}
-static inline ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT31(ogg_int32_t x, ogg_int32_t y) {
return (x >> 8) * y; /* y preshifted >>23 */
}
-static inline ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
+STIN ogg_int32_t MULT31_SHIFT15(ogg_int32_t x, ogg_int32_t y) {
return (x >> 6) * y; /* y preshifted >>9 */
}
@@ -144,7 +130,7 @@
#else
-static inline void XPROD32(ogg_int32_t a, ogg_int32_t b,
+STIN void XPROD32(ogg_int32_t a, ogg_int32_t b,
ogg_int32_t t, ogg_int32_t v,
ogg_int32_t *x, ogg_int32_t *y)
{
@@ -152,7 +138,7 @@
*y = MULT32(b, t) - MULT32(a, v);
}
-static inline void XPROD31(ogg_int32_t a, ogg_int32_t b,
+STIN void XPROD31(ogg_int32_t a, ogg_int32_t b,
ogg_int32_t t, ogg_int32_t v,
ogg_int32_t *x, ogg_int32_t *y)
{
@@ -160,7 +146,7 @@
*y = MULT31(b, t) - MULT31(a, v);
}
-static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b,
+STIN void XNPROD31(ogg_int32_t a, ogg_int32_t b,
ogg_int32_t t, ogg_int32_t v,
ogg_int32_t *x, ogg_int32_t *y)
{
@@ -175,7 +161,7 @@
#ifndef _V_CLIP_MATH
#define _V_CLIP_MATH
-static inline ogg_int32_t CLIP_TO_15(ogg_int32_t x) {
+STIN ogg_int32_t CLIP_TO_15(ogg_int32_t x) {
int ret=x;
ret-= ((x<=32767)-1)&(x-32767);
ret-= ((x>=-32768)-1)&(x+32768);
@@ -184,6 +170,73 @@
#endif
+STIN ogg_int32_t VFLOAT_MULT(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t b,ogg_int32_t bp,
+ ogg_int32_t *p){
+ if(a && b){
+#ifndef _LOW_ACCURACY_
+ *p=ap+bp+32;
+ return MULT32(a,b);
+#else
+ *p=ap+bp+31;
+ return (a>>15)*(b>>16);
+#endif
+ }else
+ return 0;
+}
+
+int _ilog(unsigned int);
+
+STIN ogg_int32_t VFLOAT_MULTI(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t i,
+ ogg_int32_t *p){
+
+ int ip=_ilog(abs(i))-31;
+ return VFLOAT_MULT(a,ap,i<<-ip,ip,p);
+}
+
+STIN ogg_int32_t VFLOAT_ADD(ogg_int32_t a,ogg_int32_t ap,
+ ogg_int32_t b,ogg_int32_t bp,
+ ogg_int32_t *p){
+
+ if(!a){
+ *p=bp;
+ return b;
+ }else if(!b){
+ *p=ap;
+ return a;
+ }
+
+ /* yes, this can leak a bit. */
+ if(ap>bp){
+ int shift=ap-bp+1;
+ *p=ap+1;
+ a>>=1;
+ if(shift<32){
+ b=(b+(1<<(shift-1)))>>shift;
+ }else{
+ b=0;
+ }
+ }else{
+ int shift=bp-ap+1;
+ *p=bp+1;
+ b>>=1;
+ if(shift<32){
+ a=(a+(1<<(shift-1)))>>shift;
+ }else{
+ a=0;
+ }
+ }
+
+ a+=b;
+ if((a&0xc0000000)==0xc0000000 ||
+ (a&0xc0000000)==0){
+ a<<=1;
+ (*p)--;
+ }
+ return(a);
+}
+
#endif