Browse Source

avutil/softfloat: move av_sincos_sf() back to header

Fixes compilation of host tool aacps_fixed_tablegen

Reviewed-by: Michael Niedermayer <michael@niedermayer.cc>
Signed-off-by: James Almer <jamrial@gmail.com>
tags/n2.8
James Almer 9 years ago
parent
commit
a176bbc873
3 changed files with 48 additions and 51 deletions
  1. +0
    -1
      libavutil/Makefile
  2. +0
    -49
      libavutil/softfloat.c
  3. +48
    -1
      libavutil/softfloat.h

+ 0
- 1
libavutil/Makefile View File

@@ -126,7 +126,6 @@ OBJS = adler32.o \
samplefmt.o \
sha.o \
sha512.o \
softfloat.o \
stereo3d.o \
threadmessage.o \
time.o \


+ 0
- 49
libavutil/softfloat.c View File

@@ -23,55 +23,6 @@
#include "common.h"
#include "log.h"

void av_sincos_sf(int a, int *s, int *c)
{
int idx, sign;
int sv, cv;
int st, ct;

idx = a >> 26;
sign = (idx << 27) >> 31;
cv = av_costbl_1_sf[idx & 0xf];
cv = (cv ^ sign) - sign;

idx -= 8;
sign = (idx << 27) >> 31;
sv = av_costbl_1_sf[idx & 0xf];
sv = (sv ^ sign) - sign;

idx = a >> 21;
ct = av_costbl_2_sf[idx & 0x1f];
st = av_sintbl_2_sf[idx & 0x1f];

idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);

sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);

cv = idx;

idx = a >> 16;
ct = av_costbl_3_sf[idx & 0x1f];
st = av_sintbl_3_sf[idx & 0x1f];

idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);

sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
cv = idx;

idx = a >> 11;

ct = (int)(((int64_t)av_costbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_costbl_4_sf[(idx & 0x1f)+1]*(a & 0x7ff) +
0x400) >> 11);
st = (int)(((int64_t)av_sintbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_sintbl_4_sf[(idx & 0x1f) + 1] * (a & 0x7ff) +
0x400) >> 11);

*c = (int)(((int64_t)cv * ct + (int64_t)sv * st + 0x20000000) >> 30);

*s = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
}

#ifdef TEST
#include <stdio.h>



+ 48
- 1
libavutil/softfloat.h View File

@@ -189,6 +189,53 @@ static av_always_inline SoftFloat av_sqrt_sf(SoftFloat val)
/**
* Rounding-to-nearest used.
*/
void av_sincos_sf(int a, int *s, int *c);
static av_unused void av_sincos_sf(int a, int *s, int *c)
{
int idx, sign;
int sv, cv;
int st, ct;

idx = a >> 26;
sign = (idx << 27) >> 31;
cv = av_costbl_1_sf[idx & 0xf];
cv = (cv ^ sign) - sign;

idx -= 8;
sign = (idx << 27) >> 31;
sv = av_costbl_1_sf[idx & 0xf];
sv = (sv ^ sign) - sign;

idx = a >> 21;
ct = av_costbl_2_sf[idx & 0x1f];
st = av_sintbl_2_sf[idx & 0x1f];

idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);

sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);

cv = idx;

idx = a >> 16;
ct = av_costbl_3_sf[idx & 0x1f];
st = av_sintbl_3_sf[idx & 0x1f];

idx = (int)(((int64_t)cv * ct - (int64_t)sv * st + 0x20000000) >> 30);

sv = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
cv = idx;

idx = a >> 11;

ct = (int)(((int64_t)av_costbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_costbl_4_sf[(idx & 0x1f)+1]*(a & 0x7ff) +
0x400) >> 11);
st = (int)(((int64_t)av_sintbl_4_sf[idx & 0x1f] * (0x800 - (a & 0x7ff)) +
(int64_t)av_sintbl_4_sf[(idx & 0x1f) + 1] * (a & 0x7ff) +
0x400) >> 11);

*c = (int)(((int64_t)cv * ct + (int64_t)sv * st + 0x20000000) >> 30);

*s = (int)(((int64_t)cv * st + (int64_t)sv * ct + 0x20000000) >> 30);
}

#endif /* AVUTIL_SOFTFLOAT_H */

Loading…
Cancel
Save