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ffmpeg.wasm-core
Commit 9734b8ba authored by Diego Biurrun's avatar Diego Biurrun
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Move avutil tables only used in libavcodec to libavcodec.

parent 0a75d1da
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Showing with 70 additions and 85 deletions
libavcodec/Makefile
View file @ 9734b8ba
......@@ -22,6 +22,7 @@ OBJS = allcodecs.o \
fmtconvert.o \
imgconvert.o \
jrevdct.o \
mathtables.o \
options.o \
parser.o \
raw.o \
......@@ -655,12 +656,6 @@ OBJS-$(CONFIG_TEXT2MOVSUB_BSF) += movsub_bsf.o
OBJS-$(HAVE_PTHREADS) += pthread.o
OBJS-$(HAVE_W32THREADS) += pthread.o
# inverse.o contains the ff_inverse table definition, which is used by
# the FASTDIV macro (from libavutil); since referencing the external
# table has a negative effect on performance, copy it in libavcodec as
# well.
OBJS-$(!CONFIG_SMALL) += inverse.o
SKIPHEADERS += %_tablegen.h \
%_tables.h \
aac_tablegen_decl.h \
......
libavcodec/arm/mathops.h
View file @ 9734b8ba
......@@ -36,6 +36,30 @@ static inline av_const int MULH(int a, int b)
__asm__ ("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(b));
return r;
}
#define FASTDIV FASTDIV
static av_always_inline av_const int FASTDIV(int a, int b)
{
int r;
__asm__ ("cmp %2, #2 \n\t"
"ldr %0, [%3, %2, lsl #2] \n\t"
"ite le \n\t"
"lsrle %0, %1, #1 \n\t"
"smmulgt %0, %0, %1 \n\t"
: "=&r"(r) : "r"(a), "r"(b), "r"(ff_inverse) : "cc");
return r;
}
#else /* HAVE_ARMV6 */
#define FASTDIV FASTDIV
static av_always_inline av_const int FASTDIV(int a, int b)
{
int r, t;
__asm__ ("umull %1, %0, %2, %3"
: "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b]));
return r;
}
#endif
#define MLS64(d, a, b) MAC64(d, -(a), b)
......
libavcodec/inverse.c deleted 100644 → 0
View file @ 0a75d1da
#include "libavutil/inverse.c"
libavcodec/mathops.h
View file @ 9734b8ba
......@@ -22,9 +22,14 @@
#ifndef AVCODEC_MATHOPS_H
#define AVCODEC_MATHOPS_H
#include <stdint.h>
#include "libavutil/common.h"
#include "config.h"
extern const uint32_t ff_inverse[257];
extern const uint8_t ff_sqrt_tab[256];
#if ARCH_ARM
# include "arm/mathops.h"
#elif ARCH_AVR32
......@@ -185,4 +190,28 @@ if ((y) < (x)) {\
# define PACK_2S16(a,b) PACK_2U16((a)&0xffff, (b)&0xffff)
#endif
#ifndef FASTDIV
# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
#endif /* FASTDIV */
static inline av_const unsigned int ff_sqrt(unsigned int a)
{
unsigned int b;
if (a < 255) return (ff_sqrt_tab[a + 1] - 1) >> 4;
else if (a < (1 << 12)) b = ff_sqrt_tab[a >> 4] >> 2;
#if !CONFIG_SMALL
else if (a < (1 << 14)) b = ff_sqrt_tab[a >> 6] >> 1;
else if (a < (1 << 16)) b = ff_sqrt_tab[a >> 8] ;
#endif
else {
int s = av_log2_16bit(a >> 16) >> 1;
unsigned int c = a >> (s + 2);
b = ff_sqrt_tab[c >> (s + 8)];
b = FASTDIV(c,b) + (b << s);
}
return b - (a < b * b);
}
#endif /* AVCODEC_MATHOPS_H */
libavutil/inverse.c → libavcodec/mathtables.c
View file @ 9734b8ba
/*
* Inverse table
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
*
* This file is part of Libav.
*
* Libav is free software; you can redistribute it and/or
......@@ -58,3 +55,14 @@ const uint32_t ff_inverse[257]={
17318417, 17248865, 17179870, 17111424, 17043522, 16976156, 16909321, 16843010,
16777216
};
const uint8_t ff_sqrt_tab[256]={
0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90,
91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156,
157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181,
182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202,
203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222,
222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239,
240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255
};
libavcodec/motion_est.c
View file @ 9734b8ba
......@@ -30,7 +30,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
#include "libavutil/intmath.h"
#include "avcodec.h"
#include "dsputil.h"
#include "mathops.h"
......
libavcodec/mpegvideo.c
View file @ 9734b8ba
......@@ -27,11 +27,11 @@
* The simplest mpeg encoder (well, it was the simplest!).
*/
#include "libavutil/intmath.h"
#include "libavutil/imgutils.h"
#include "avcodec.h"
#include "dsputil.h"
#include "internal.h"
#include "mathops.h"
#include "mpegvideo.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
......
libavcodec/mpegvideo_enc.c
View file @ 9734b8ba
......@@ -34,6 +34,7 @@
#include "dsputil.h"
#include "mpegvideo.h"
#include "h263.h"
#include "mathops.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "faandct.h"
......
libavcodec/ra144.c
View file @ 9734b8ba
......@@ -22,8 +22,8 @@
#include <stdint.h>
#include "avcodec.h"
#include "celp_filters.h"
#include "mathops.h"
#include "ra144.h"
#include "libavutil/common.h"
const int16_t ff_gain_val_tab[256][3] = {
{ 541, 956, 768}, { 877, 581, 568}, { 675,1574, 635}, {1248,1464, 668},
......
libavcodec/roqaudioenc.c
View file @ 9734b8ba
......@@ -21,10 +21,10 @@
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "libavutil/intmath.h"
#include "avcodec.h"
#include "bytestream.h"
#include "internal.h"
#include "mathops.h"
#define ROQ_FRAME_SIZE 735
#define ROQ_HEADER_SIZE 8
......
libavutil/Makefile
View file @ 9734b8ba
......@@ -66,7 +66,6 @@ OBJS = adler32.o \
float_dsp.o \
imgutils.o \
intfloat_readwrite.o \
inverse.o \
lfg.o \
lls.o \
log.o \
......
libavutil/arm/intmath.h
View file @ 9734b8ba
......@@ -30,19 +30,6 @@
#if HAVE_ARMV6
#define FASTDIV FASTDIV
static av_always_inline av_const int FASTDIV(int a, int b)
{
int r;
__asm__ ("cmp %2, #2 \n\t"
"ldr %0, [%3, %2, lsl #2] \n\t"
"ite le \n\t"
"lsrle %0, %1, #1 \n\t"
"smmulgt %0, %0, %1 \n\t"
: "=&r"(r) : "r"(a), "r"(b), "r"(ff_inverse) : "cc");
return r;
}
#define av_clip_uint8 av_clip_uint8_arm
static av_always_inline av_const unsigned av_clip_uint8_arm(int a)
{
......@@ -99,17 +86,6 @@ static av_always_inline int av_sat_dadd32_arm(int a, int b)
return r;
}
#else /* HAVE_ARMV6 */
#define FASTDIV FASTDIV
static av_always_inline av_const int FASTDIV(int a, int b)
{
int r, t;
__asm__ ("umull %1, %0, %2, %3"
: "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b]));
return r;
}
#endif /* HAVE_ARMV6 */
#if HAVE_ASM_MOD_Q
......
libavutil/intmath.h
View file @ 9734b8ba
......@@ -21,7 +21,6 @@
#ifndef AVUTIL_INTMATH_H
#define AVUTIL_INTMATH_H
#include <stdint.h>
#include "config.h"
#include "attributes.h"
......@@ -30,12 +29,6 @@
* @{
*/
extern const uint32_t ff_inverse[257];
#if ARCH_ARM
# include "arm/intmath.h"
#endif
#if HAVE_FAST_CLZ && AV_GCC_VERSION_AT_LEAST(3,4)
#ifndef av_log2
......@@ -47,34 +40,6 @@ extern const uint32_t ff_inverse[257];
#endif /* AV_GCC_VERSION_AT_LEAST(3,4) */
#ifndef FASTDIV
# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a) * ff_inverse[b]) >> 32))
#endif /* FASTDIV */
#include "common.h"
extern const uint8_t ff_sqrt_tab[256];
static inline av_const unsigned int ff_sqrt(unsigned int a)
{
unsigned int b;
if (a < 255) return (ff_sqrt_tab[a + 1] - 1) >> 4;
else if (a < (1 << 12)) b = ff_sqrt_tab[a >> 4] >> 2;
#if !CONFIG_SMALL
else if (a < (1 << 14)) b = ff_sqrt_tab[a >> 6] >> 1;
else if (a < (1 << 16)) b = ff_sqrt_tab[a >> 8] ;
#endif
else {
int s = av_log2_16bit(a >> 16) >> 1;
unsigned int c = a >> (s + 2);
b = ff_sqrt_tab[c >> (s + 8)];
b = FASTDIV(c,b) + (b << s);
}
return b - (a < b * b);
}
/**
* @}
*/
......
libavutil/mathematics.c
View file @ 9734b8ba
......@@ -28,17 +28,6 @@
#include <limits.h>
#include "mathematics.h"
const uint8_t ff_sqrt_tab[256]={
0, 16, 23, 28, 32, 36, 40, 43, 46, 48, 51, 54, 56, 58, 60, 62, 64, 66, 68, 70, 72, 74, 76, 77, 79, 80, 82, 84, 85, 87, 88, 90,
91, 92, 94, 95, 96, 98, 99,100,102,103,104,105,107,108,109,110,111,112,114,115,116,117,118,119,120,121,122,123,124,125,126,127,
128,129,130,131,132,133,134,135,136,137,138,139,140,141,142,143,144,144,145,146,147,148,149,150,151,151,152,153,154,155,156,156,
157,158,159,160,160,161,162,163,164,164,165,166,167,168,168,169,170,171,171,172,173,174,174,175,176,176,177,178,179,179,180,181,
182,182,183,184,184,185,186,186,187,188,188,189,190,190,191,192,192,193,194,194,195,196,196,197,198,198,199,200,200,201,202,202,
203,204,204,205,205,206,207,207,208,208,209,210,210,211,212,212,213,213,214,215,215,216,216,217,218,218,219,219,220,220,221,222,
222,223,223,224,224,225,226,226,227,227,228,228,229,230,230,231,231,232,232,233,233,234,235,235,236,236,237,237,238,238,239,239,
240,240,241,242,242,243,243,244,244,245,245,246,246,247,247,248,248,249,249,250,250,251,251,252,252,253,253,254,254,255,255,255
};
const uint8_t ff_log2_tab[256]={
0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
......
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