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avutil: remove obsolete FF_API_INTFLOAT cruft 

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2014-09-14 21:21:42 -03:00
parent 3e57520982
commit e524a9b1ff
4 changed files with 0 additions and 150 deletions
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2
libavutil/Makefile
View File

@ -30,7 +30,6 @@ HEADERS = adler32.h \
hmac.h \
imgutils.h \
intfloat.h \
intfloat_readwrite.h \
intreadwrite.h \
lfg.h \
log.h \
@ -100,7 +99,6 @@ OBJS = adler32.o \
hash.o \
hmac.o \
imgutils.o \
intfloat_readwrite.o \
intmath.o \
lfg.o \
lls.o \

101
libavutil/intfloat_readwrite.c
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@ -1,101 +0,0 @@
/*
* portable IEEE float/double read/write functions
*
* Copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
/**
* @file
* portable IEEE float/double read/write functions
*/
#include <stdint.h>
#include "common.h"
#include "mathematics.h"
#include "intfloat_readwrite.h"
#include "version.h"
#if FF_API_INTFLOAT
double av_int2dbl(int64_t v){
if((uint64_t)v+v > 0xFFEULL<<52)
return NAN;
return ldexp(((v&((1LL<<52)-1)) + (1LL<<52)) * (v>>63|1), (v>>52&0x7FF)-1075);
}
float av_int2flt(int32_t v){
if((uint32_t)v+v > 0xFF000000U)
return NAN;
return ldexp(((v&0x7FFFFF) + (1<<23)) * (v>>31|1), (v>>23&0xFF)-150);
}
double av_ext2dbl(const AVExtFloat ext){
uint64_t m = 0;
int e, i;
for (i = 0; i < 8; i++)
m = (m<<8) + ext.mantissa[i];
e = (((int)ext.exponent[0]&0x7f)<<8) | ext.exponent[1];
if (e == 0x7fff && m)
return NAN;
e -= 16383 + 63; /* In IEEE 80 bits, the whole (i.e. 1.xxxx)
* mantissa bit is written as opposed to the
* single and double precision formats. */
if (ext.exponent[0]&0x80)
m= -m;
return ldexp(m, e);
}
int64_t av_dbl2int(double d){
int e;
if ( !d) return 0;
else if(d-d) return 0x7FF0000000000000LL + ((int64_t)(d<0)<<63) + (d!=d);
d= frexp(d, &e);
return (int64_t)(d<0)<<63 | (e+1022LL)<<52 | (int64_t)((fabs(d)-0.5)*(1LL<<53));
}
int32_t av_flt2int(float d){
int e;
if ( !d) return 0;
else if(d-d) return 0x7F800000 + ((d<0)<<31) + (d!=d);
d= frexp(d, &e);
return (d<0)<<31 | (e+126)<<23 | (int64_t)((fabs(d)-0.5)*(1<<24));
}
AVExtFloat av_dbl2ext(double d){
struct AVExtFloat ext= {{0}};
int e, i; double f; uint64_t m;
f = fabs(frexp(d, &e));
if (f >= 0.5 && f < 1) {
e += 16382;
ext.exponent[0] = e>>8;
ext.exponent[1] = e;
m = (uint64_t)ldexp(f, 64);
for (i=0; i < 8; i++)
ext.mantissa[i] = m>>(56-(i<<3));
} else if (f != 0.0) {
ext.exponent[0] = 0x7f; ext.exponent[1] = 0xff;
if (!isinf(f))
ext.mantissa[0] = ~0;
}
if (d < 0)
ext.exponent[0] |= 0x80;
return ext;
}
#endif /* FF_API_INTFLOAT */

44
libavutil/intfloat_readwrite.h
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@ -1,44 +0,0 @@
/*
* copyright (c) 2005 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef AVUTIL_INTFLOAT_READWRITE_H
#define AVUTIL_INTFLOAT_READWRITE_H
#include <stdint.h>
#include "attributes.h"
#include "version.h"
#if FF_API_INTFLOAT
/* IEEE 80 bits extended float */
typedef struct AVExtFloat {
uint8_t exponent[2];
uint8_t mantissa[8];
} AVExtFloat;
attribute_deprecated double av_int2dbl(int64_t v) av_const;
attribute_deprecated float av_int2flt(int32_t v) av_const;
attribute_deprecated double av_ext2dbl(const AVExtFloat ext) av_const;
attribute_deprecated int64_t av_dbl2int(double d) av_const;
attribute_deprecated int32_t av_flt2int(float d) av_const;
attribute_deprecated AVExtFloat av_dbl2ext(double d) av_const;
#endif /* FF_API_INTFLOAT */
#endif /* AVUTIL_INTFLOAT_READWRITE_H */

3
libavutil/version.h
View File

@ -116,9 +116,6 @@
#ifndef FF_API_XVMC
#define FF_API_XVMC (LIBAVUTIL_VERSION_MAJOR < 55)
#endif
#ifndef FF_API_INTFLOAT
#define FF_API_INTFLOAT (LIBAVUTIL_VERSION_MAJOR < 54)
#endif
#ifndef FF_API_OPT_TYPE_METADATA
#define FF_API_OPT_TYPE_METADATA (LIBAVUTIL_VERSION_MAJOR < 55)
#endif