fmtconvert.o \
imgconvert.o \
jrevdct.o \
+ mathtables.o \
options.o \
parser.o \
raw.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 \
__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)
+++ /dev/null
-#include "libavutil/inverse.c"
#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
# 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 */
/*
- * 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
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
+};
#include <stdlib.h>
#include <stdio.h>
#include <limits.h>
-#include "libavutil/intmath.h"
+
#include "avcodec.h"
#include "dsputil.h"
#include "mathops.h"
* 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"
#include "dsputil.h"
#include "mpegvideo.h"
#include "h263.h"
+#include "mathops.h"
#include "mjpegenc.h"
#include "msmpeg4.h"
#include "faandct.h"
#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},
* 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
float_dsp.o \
imgutils.o \
intfloat_readwrite.o \
- inverse.o \
lfg.o \
lls.o \
log.o \
#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)
{
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
#ifndef AVUTIL_INTMATH_H
#define AVUTIL_INTMATH_H
-#include <stdint.h>
#include "config.h"
#include "attributes.h"
* @{
*/
-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
#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);
-}
-
/**
* @}
*/
#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,