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authorTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
committerTim Redfern <tim@eclectronics.org>2014-02-17 13:36:38 +0000
commit22e28216336da876e1fd17f380ce42eaf1446769 (patch)
tree444dad3dc7e2656992d29f34f7bce31970c122a5 /ffmpeg/libavcodec/mathops.h
parentae5e8541f6e06e64c28719467cdf366ac57aff31 (diff)
chasing indexing error
Diffstat (limited to 'ffmpeg/libavcodec/mathops.h')
-rw-r--r--ffmpeg/libavcodec/mathops.h237
1 files changed, 0 insertions, 237 deletions
diff --git a/ffmpeg/libavcodec/mathops.h b/ffmpeg/libavcodec/mathops.h
deleted file mode 100644
index bad25af..0000000
--- a/ffmpeg/libavcodec/mathops.h
+++ /dev/null
@@ -1,237 +0,0 @@
-/*
- * simple math operations
- * Copyright (c) 2001, 2002 Fabrice Bellard
- * Copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> et al
- *
- * 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 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_reverse[256];
-extern const uint8_t ff_sqrt_tab[256];
-
-#if ARCH_ARM
-# include "arm/mathops.h"
-#elif ARCH_AVR32
-# include "avr32/mathops.h"
-#elif ARCH_BFIN
-# include "bfin/mathops.h"
-#elif ARCH_MIPS
-# include "mips/mathops.h"
-#elif ARCH_PPC
-# include "ppc/mathops.h"
-#elif ARCH_X86
-# include "x86/mathops.h"
-#endif
-
-/* generic implementation */
-
-#ifndef MUL64
-# define MUL64(a,b) ((int64_t)(a) * (int64_t)(b))
-#endif
-
-#ifndef MULL
-# define MULL(a,b,s) (MUL64(a, b) >> (s))
-#endif
-
-#ifndef MULH
-static av_always_inline int MULH(int a, int b){
- return MUL64(a, b) >> 32;
-}
-#endif
-
-#ifndef UMULH
-static av_always_inline unsigned UMULH(unsigned a, unsigned b){
- return ((uint64_t)(a) * (uint64_t)(b))>>32;
-}
-#endif
-
-#ifndef MAC64
-# define MAC64(d, a, b) ((d) += MUL64(a, b))
-#endif
-
-#ifndef MLS64
-# define MLS64(d, a, b) ((d) -= MUL64(a, b))
-#endif
-
-/* signed 16x16 -> 32 multiply add accumulate */
-#ifndef MAC16
-# define MAC16(rt, ra, rb) rt += (ra) * (rb)
-#endif
-
-/* signed 16x16 -> 32 multiply */
-#ifndef MUL16
-# define MUL16(ra, rb) ((ra) * (rb))
-#endif
-
-#ifndef MLS16
-# define MLS16(rt, ra, rb) ((rt) -= (ra) * (rb))
-#endif
-
-/* median of 3 */
-#ifndef mid_pred
-#define mid_pred mid_pred
-static inline av_const int mid_pred(int a, int b, int c)
-{
-#if 0
- int t= (a-b)&((a-b)>>31);
- a-=t;
- b+=t;
- b-= (b-c)&((b-c)>>31);
- b+= (a-b)&((a-b)>>31);
-
- return b;
-#else
- if(a>b){
- if(c>b){
- if(c>a) b=a;
- else b=c;
- }
- }else{
- if(b>c){
- if(c>a) b=c;
- else b=a;
- }
- }
- return b;
-#endif
-}
-#endif
-
-#ifndef sign_extend
-static inline av_const int sign_extend(int val, unsigned bits)
-{
- unsigned shift = 8 * sizeof(int) - bits;
- union { unsigned u; int s; } v = { (unsigned) val << shift };
- return v.s >> shift;
-}
-#endif
-
-#ifndef zero_extend
-static inline av_const unsigned zero_extend(unsigned val, unsigned bits)
-{
- return (val << ((8 * sizeof(int)) - bits)) >> ((8 * sizeof(int)) - bits);
-}
-#endif
-
-#ifndef COPY3_IF_LT
-#define COPY3_IF_LT(x, y, a, b, c, d)\
-if ((y) < (x)) {\
- (x) = (y);\
- (a) = (b);\
- (c) = (d);\
-}
-#endif
-
-#ifndef MASK_ABS
-#define MASK_ABS(mask, level) do { \
- mask = level >> 31; \
- level = (level ^ mask) - mask; \
- } while (0)
-#endif
-
-#ifndef NEG_SSR32
-# define NEG_SSR32(a,s) ((( int32_t)(a))>>(32-(s)))
-#endif
-
-#ifndef NEG_USR32
-# define NEG_USR32(a,s) (((uint32_t)(a))>>(32-(s)))
-#endif
-
-#if HAVE_BIGENDIAN
-# ifndef PACK_2U8
-# define PACK_2U8(a,b) (((a) << 8) | (b))
-# endif
-# ifndef PACK_4U8
-# define PACK_4U8(a,b,c,d) (((a) << 24) | ((b) << 16) | ((c) << 8) | (d))
-# endif
-# ifndef PACK_2U16
-# define PACK_2U16(a,b) (((a) << 16) | (b))
-# endif
-#else
-# ifndef PACK_2U8
-# define PACK_2U8(a,b) (((b) << 8) | (a))
-# endif
-# ifndef PACK_4U2
-# define PACK_4U8(a,b,c,d) (((d) << 24) | ((c) << 16) | ((b) << 8) | (a))
-# endif
-# ifndef PACK_2U16
-# define PACK_2U16(a,b) (((b) << 16) | (a))
-# endif
-#endif
-
-#ifndef PACK_2S8
-# define PACK_2S8(a,b) PACK_2U8((a)&255, (b)&255)
-#endif
-#ifndef PACK_4S8
-# define PACK_4S8(a,b,c,d) PACK_4U8((a)&255, (b)&255, (c)&255, (d)&255)
-#endif
-#ifndef PACK_2S16
-# 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 */
-
-#ifndef MOD_UNLIKELY
-# define MOD_UNLIKELY(modulus, dividend, divisor, prev_dividend) \
- do { \
- if ((prev_dividend) == 0 || (dividend) - (prev_dividend) != (divisor)) \
- (modulus) = (dividend) % (divisor); \
- (prev_dividend) = (dividend); \
- } while (0)
-#endif
-
-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);
-}
-
-static inline int8_t ff_u8_to_s8(uint8_t a)
-{
- union {
- uint8_t u8;
- int8_t s8;
- } b;
- b.u8 = a;
- return b.s8;
-}
-
-#endif /* AVCODEC_MATHOPS_H */