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FFmpeg/libavcodec/dsputil.c

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/*
* DSP utils
* Copyright (c) 2000, 2001 Fabrice Bellard.
*
* This library 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 of the License, or (at your option) any later version.
*
* This library 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 this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* gmc & q-pel & 32/64 bit based MC by Michael Niedermayer <michaelni@gmx.at>
*/
#include "avcodec.h"
#include "dsputil.h"
#include "simple_idct.h"
void (*ff_idct)(DCTELEM *block);
void (*ff_idct_put)(UINT8 *dest, int line_size, DCTELEM *block);
void (*ff_idct_add)(UINT8 *dest, int line_size, DCTELEM *block);
void (*av_fdct)(DCTELEM *block);
void (*get_pixels)(DCTELEM *block, const UINT8 *pixels, int line_size);
void (*diff_pixels)(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride);
void (*put_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
void (*add_pixels_clamped)(const DCTELEM *block, UINT8 *pixels, int line_size);
void (*gmc1)(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder);
void (*clear_blocks)(DCTELEM *blocks);
op_pixels_abs_func pix_abs16x16;
op_pixels_abs_func pix_abs16x16_x2;
op_pixels_abs_func pix_abs16x16_y2;
op_pixels_abs_func pix_abs16x16_xy2;
op_pixels_abs_func pix_abs8x8;
op_pixels_abs_func pix_abs8x8_x2;
op_pixels_abs_func pix_abs8x8_y2;
op_pixels_abs_func pix_abs8x8_xy2;
UINT8 cropTbl[256 + 2 * MAX_NEG_CROP];
UINT32 squareTbl[512];
extern INT16 default_intra_matrix[64];
extern INT16 default_non_intra_matrix[64];
extern INT16 ff_mpeg4_default_intra_matrix[64];
extern INT16 ff_mpeg4_default_non_intra_matrix[64];
UINT8 zigzag_direct[64] = {
0, 1, 8, 16, 9, 2, 3, 10,
17, 24, 32, 25, 18, 11, 4, 5,
12, 19, 26, 33, 40, 48, 41, 34,
27, 20, 13, 6, 7, 14, 21, 28,
35, 42, 49, 56, 57, 50, 43, 36,
29, 22, 15, 23, 30, 37, 44, 51,
58, 59, 52, 45, 38, 31, 39, 46,
53, 60, 61, 54, 47, 55, 62, 63
};
/* not permutated inverse zigzag_direct + 1 for MMX quantizer */
UINT16 __align8 inv_zigzag_direct16[64];
/* not permutated zigzag_direct for MMX quantizer */
UINT8 zigzag_direct_noperm[64];
UINT8 ff_alternate_horizontal_scan[64] = {
0, 1, 2, 3, 8, 9, 16, 17,
10, 11, 4, 5, 6, 7, 15, 14,
13, 12, 19, 18, 24, 25, 32, 33,
26, 27, 20, 21, 22, 23, 28, 29,
30, 31, 34, 35, 40, 41, 48, 49,
42, 43, 36, 37, 38, 39, 44, 45,
46, 47, 50, 51, 56, 57, 58, 59,
52, 53, 54, 55, 60, 61, 62, 63,
};
UINT8 ff_alternate_vertical_scan[64] = {
0, 8, 16, 24, 1, 9, 2, 10,
17, 25, 32, 40, 48, 56, 57, 49,
41, 33, 26, 18, 3, 11, 4, 12,
19, 27, 34, 42, 50, 58, 35, 43,
51, 59, 20, 28, 5, 13, 6, 14,
21, 29, 36, 44, 52, 60, 37, 45,
53, 61, 22, 30, 7, 15, 23, 31,
38, 46, 54, 62, 39, 47, 55, 63,
};
#ifdef SIMPLE_IDCT
/* Input permutation for the simple_idct_mmx */
static UINT8 simple_mmx_permutation[64]={
0x00, 0x08, 0x04, 0x09, 0x01, 0x0C, 0x05, 0x0D,
0x10, 0x18, 0x14, 0x19, 0x11, 0x1C, 0x15, 0x1D,
0x20, 0x28, 0x24, 0x29, 0x21, 0x2C, 0x25, 0x2D,
0x12, 0x1A, 0x16, 0x1B, 0x13, 0x1E, 0x17, 0x1F,
0x02, 0x0A, 0x06, 0x0B, 0x03, 0x0E, 0x07, 0x0F,
0x30, 0x38, 0x34, 0x39, 0x31, 0x3C, 0x35, 0x3D,
0x22, 0x2A, 0x26, 0x2B, 0x23, 0x2E, 0x27, 0x2F,
0x32, 0x3A, 0x36, 0x3B, 0x33, 0x3E, 0x37, 0x3F,
};
#endif
/* a*inverse[b]>>32 == a/b for all 0<=a<=65536 && 2<=b<=255 */
UINT32 inverse[256]={
0, 4294967295U,2147483648U,1431655766, 1073741824, 858993460, 715827883, 613566757,
536870912, 477218589, 429496730, 390451573, 357913942, 330382100, 306783379, 286331154,
268435456, 252645136, 238609295, 226050911, 214748365, 204522253, 195225787, 186737709,
178956971, 171798692, 165191050, 159072863, 153391690, 148102321, 143165577, 138547333,
134217728, 130150525, 126322568, 122713352, 119304648, 116080198, 113025456, 110127367,
107374183, 104755300, 102261127, 99882961, 97612894, 95443718, 93368855, 91382283,
89478486, 87652394, 85899346, 84215046, 82595525, 81037119, 79536432, 78090315,
76695845, 75350304, 74051161, 72796056, 71582789, 70409300, 69273667, 68174085,
67108864, 66076420, 65075263, 64103990, 63161284, 62245903, 61356676, 60492498,
59652324, 58835169, 58040099, 57266231, 56512728, 55778797, 55063684, 54366675,
53687092, 53024288, 52377650, 51746594, 51130564, 50529028, 49941481, 49367441,
48806447, 48258060, 47721859, 47197443, 46684428, 46182445, 45691142, 45210183,
44739243, 44278014, 43826197, 43383509, 42949673, 42524429, 42107523, 41698712,
41297763, 40904451, 40518560, 40139882, 39768216, 39403370, 39045158, 38693400,
38347923, 38008561, 37675152, 37347542, 37025581, 36709123, 36398028, 36092163,
35791395, 35495598, 35204650, 34918434, 34636834, 34359739, 34087043, 33818641,
33554432, 33294321, 33038210, 32786010, 32537632, 32292988, 32051995, 31814573,
31580642, 31350127, 31122952, 30899046, 30678338, 30460761, 30246249, 30034737,
29826162, 29620465, 29417585, 29217465, 29020050, 28825284, 28633116, 28443493,
28256364, 28071682, 27889399, 27709467, 27531842, 27356480, 27183338, 27012373,
26843546, 26676816, 26512144, 26349493, 26188825, 26030105, 25873297, 25718368,
25565282, 25414008, 25264514, 25116768, 24970741, 24826401, 24683721, 24542671,
24403224, 24265352, 24129030, 23994231, 23860930, 23729102, 23598722, 23469767,
23342214, 23216040, 23091223, 22967740, 22845571, 22724695, 22605092, 22486740,
22369622, 22253717, 22139007, 22025474, 21913099, 21801865, 21691755, 21582751,
21474837, 21367997, 21262215, 21157475, 21053762, 20951060, 20849356, 20748635,
20648882, 20550083, 20452226, 20355296, 20259280, 20164166, 20069941, 19976593,
19884108, 19792477, 19701685, 19611723, 19522579, 19434242, 19346700, 19259944,
19173962, 19088744, 19004281, 18920561, 18837576, 18755316, 18673771, 18592933,
18512791, 18433337, 18354562, 18276457, 18199014, 18122225, 18046082, 17970575,
17895698, 17821442, 17747799, 17674763, 17602325, 17530479, 17459217, 17388532,
17318417, 17248865, 17179870, 17111424, 17043522, 16976156, 16909321, 16843010,
};
/* used to skip zeros at the end */
UINT8 zigzag_end[64];
UINT8 permutation[64];
//UINT8 invPermutation[64];
static void build_zigzag_end(void)
{
int lastIndex;
int lastIndexAfterPerm=0;
for(lastIndex=0; lastIndex<64; lastIndex++)
{
if(zigzag_direct[lastIndex] > lastIndexAfterPerm)
lastIndexAfterPerm= zigzag_direct[lastIndex];
zigzag_end[lastIndex]= lastIndexAfterPerm + 1;
}
}
void get_pixels_c(DCTELEM *block, const UINT8 *pixels, int line_size)
{
DCTELEM *p;
const UINT8 *pix;
int i;
/* read the pixels */
p = block;
pix = pixels;
for(i=0;i<8;i++) {
p[0] = pix[0];
p[1] = pix[1];
p[2] = pix[2];
p[3] = pix[3];
p[4] = pix[4];
p[5] = pix[5];
p[6] = pix[6];
p[7] = pix[7];
pix += line_size;
p += 8;
}
}
void diff_pixels_c(DCTELEM *block, const UINT8 *s1, const UINT8 *s2, int stride){
DCTELEM *p;
int i;
/* read the pixels */
p = block;
for(i=0;i<8;i++) {
p[0] = s1[0] - s2[0];
p[1] = s1[1] - s2[1];
p[2] = s1[2] - s2[2];
p[3] = s1[3] - s2[3];
p[4] = s1[4] - s2[4];
p[5] = s1[5] - s2[5];
p[6] = s1[6] - s2[6];
p[7] = s1[7] - s2[7];
s1 += stride;
s2 += stride;
p += 8;
}
}
void put_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size)
{
const DCTELEM *p;
UINT8 *pix;
int i;
UINT8 *cm = cropTbl + MAX_NEG_CROP;
/* read the pixels */
p = block;
pix = pixels;
for(i=0;i<8;i++) {
pix[0] = cm[p[0]];
pix[1] = cm[p[1]];
pix[2] = cm[p[2]];
pix[3] = cm[p[3]];
pix[4] = cm[p[4]];
pix[5] = cm[p[5]];
pix[6] = cm[p[6]];
pix[7] = cm[p[7]];
pix += line_size;
p += 8;
}
}
void add_pixels_clamped_c(const DCTELEM *block, UINT8 *pixels, int line_size)
{
const DCTELEM *p;
UINT8 *pix;
int i;
UINT8 *cm = cropTbl + MAX_NEG_CROP;
/* read the pixels */
p = block;
pix = pixels;
for(i=0;i<8;i++) {
pix[0] = cm[pix[0] + p[0]];
pix[1] = cm[pix[1] + p[1]];
pix[2] = cm[pix[2] + p[2]];
pix[3] = cm[pix[3] + p[3]];
pix[4] = cm[pix[4] + p[4]];
pix[5] = cm[pix[5] + p[5]];
pix[6] = cm[pix[6] + p[6]];
pix[7] = cm[pix[7] + p[7]];
pix += line_size;
p += 8;
}
}
#if 0
#define PIXOP2(OPNAME, OP) \
void OPNAME ## _pixels(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
OP(*((uint64_t*)block), LD64(pixels));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+1);\
OP(*((uint64_t*)block), (a&b) + (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+1);\
OP(*((uint64_t*)block), (a|b) - (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+line_size);\
OP(*((uint64_t*)block), (a&b) + (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+line_size);\
OP(*((uint64_t*)block), (a|b) - (((a^b)&0xFEFEFEFEFEFEFEFEULL)>>1));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+1);\
uint64_t l0= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL)\
+ 0x0202020202020202ULL;\
uint64_t h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
uint64_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint64_t a= LD64(pixels );\
uint64_t b= LD64(pixels+1);\
l1= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL);\
h1= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\
pixels+=line_size;\
block +=line_size;\
a= LD64(pixels );\
b= LD64(pixels+1);\
l0= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL)\
+ 0x0202020202020202ULL;\
h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
const uint64_t a= LD64(pixels );\
const uint64_t b= LD64(pixels+1);\
uint64_t l0= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL)\
+ 0x0101010101010101ULL;\
uint64_t h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
uint64_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint64_t a= LD64(pixels );\
uint64_t b= LD64(pixels+1);\
l1= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL);\
h1= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\
pixels+=line_size;\
block +=line_size;\
a= LD64(pixels );\
b= LD64(pixels+1);\
l0= (a&0x0303030303030303ULL)\
+ (b&0x0303030303030303ULL)\
+ 0x0101010101010101ULL;\
h0= ((a&0xFCFCFCFCFCFCFCFCULL)>>2)\
+ ((b&0xFCFCFCFCFCFCFCFCULL)>>2);\
OP(*((uint64_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0F0F0F0F0FULL));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void (*OPNAME ## _pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\
OPNAME ## _pixels,\
OPNAME ## _pixels_x2,\
OPNAME ## _pixels_y2,\
OPNAME ## _pixels_xy2,\
};\
\
void (*OPNAME ## _no_rnd_pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\
OPNAME ## _pixels,\
OPNAME ## _no_rnd_pixels_x2,\
OPNAME ## _no_rnd_pixels_y2,\
OPNAME ## _no_rnd_pixels_xy2,\
};
#define op_avg(a, b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEFEFEFEFEULL)>>1) )
#else // 64 bit variant
#define PIXOP2(OPNAME, OP) \
void OPNAME ## _pixels(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
OP(*((uint32_t*)(block )), LD32(pixels ));\
OP(*((uint32_t*)(block+4)), LD32(pixels+4));\
pixels+=line_size;\
block +=line_size;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
int j;\
for(j=0; j<2; j++){\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+1);\
OP(*((uint32_t*)block), (a&b) + (((a^b)&0xFEFEFEFEUL)>>1));\
pixels+=4;\
block +=4;\
}\
pixels+=line_size-8;\
block +=line_size-8;\
}\
}\
\
void OPNAME ## _pixels_x2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
int j;\
for(j=0; j<2; j++){\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+1);\
OP(*((uint32_t*)block), (a|b) - (((a^b)&0xFEFEFEFEUL)>>1));\
pixels+=4;\
block +=4;\
}\
pixels+=line_size-8;\
block +=line_size-8;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
int j;\
for(j=0; j<2; j++){\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+line_size);\
OP(*((uint32_t*)block), (a&b) + (((a^b)&0xFEFEFEFEUL)>>1));\
pixels+=4;\
block +=4;\
}\
pixels+=line_size-8;\
block +=line_size-8;\
}\
}\
\
void OPNAME ## _pixels_y2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int i;\
for(i=0; i<h; i++){\
int j;\
for(j=0; j<2; j++){\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+line_size);\
OP(*((uint32_t*)block), (a|b) - (((a^b)&0xFEFEFEFEUL)>>1));\
pixels+=4;\
block +=4;\
}\
pixels+=line_size-8;\
block +=line_size-8;\
}\
}\
\
void OPNAME ## _pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int j;\
for(j=0; j<2; j++){\
int i;\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+1);\
uint32_t l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
uint32_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint32_t a= LD32(pixels );\
uint32_t b= LD32(pixels+1);\
l1= (a&0x03030303UL)\
+ (b&0x03030303UL);\
h1= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
a= LD32(pixels );\
b= LD32(pixels+1);\
l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x02020202UL;\
h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
}\
pixels+=4-line_size*(h+1);\
block +=4-line_size*h;\
}\
}\
\
void OPNAME ## _no_rnd_pixels_xy2(uint8_t *block, const uint8_t *pixels, int line_size, int h)\
{\
int j;\
for(j=0; j<2; j++){\
int i;\
const uint32_t a= LD32(pixels );\
const uint32_t b= LD32(pixels+1);\
uint32_t l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x01010101UL;\
uint32_t h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
uint32_t l1,h1;\
\
pixels+=line_size;\
for(i=0; i<h; i+=2){\
uint32_t a= LD32(pixels );\
uint32_t b= LD32(pixels+1);\
l1= (a&0x03030303UL)\
+ (b&0x03030303UL);\
h1= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
a= LD32(pixels );\
b= LD32(pixels+1);\
l0= (a&0x03030303UL)\
+ (b&0x03030303UL)\
+ 0x01010101UL;\
h0= ((a&0xFCFCFCFCUL)>>2)\
+ ((b&0xFCFCFCFCUL)>>2);\
OP(*((uint32_t*)block), h0+h1+(((l0+l1)>>2)&0x0F0F0F0FUL));\
pixels+=line_size;\
block +=line_size;\
}\
pixels+=4-line_size*(h+1);\
block +=4-line_size*h;\
}\
}\
\
void (*OPNAME ## _pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\
OPNAME ## _pixels,\
OPNAME ## _pixels_x2,\
OPNAME ## _pixels_y2,\
OPNAME ## _pixels_xy2,\
};\
\
void (*OPNAME ## _no_rnd_pixels_tab[4])(uint8_t *block, const uint8_t *pixels, int line_size, int h) = {\
OPNAME ## _pixels,\
OPNAME ## _no_rnd_pixels_x2,\
OPNAME ## _no_rnd_pixels_y2,\
OPNAME ## _no_rnd_pixels_xy2,\
};
#define op_avg(a, b) a = ( ((a)|(b)) - ((((a)^(b))&0xFEFEFEFEUL)>>1) )
#endif
#define op_put(a, b) a = b
PIXOP2(avg, op_avg)
PIXOP2(put, op_put)
#undef op_avg
#undef op_put
#if 0
/* FIXME this stuff could be removed as its ot really used anymore */
#define PIXOP(BTYPE, OPNAME, OP, INCR) \
\
static void OPNAME ## _pixels(BTYPE *block, const UINT8 *pixels, int line_size, int h) \
{ \
BTYPE *p; \
const UINT8 *pix; \
\
p = block; \
pix = pixels; \
do { \
OP(p[0], pix[0]); \
OP(p[1], pix[1]); \
OP(p[2], pix[2]); \
OP(p[3], pix[3]); \
OP(p[4], pix[4]); \
OP(p[5], pix[5]); \
OP(p[6], pix[6]); \
OP(p[7], pix[7]); \
pix += line_size; \
p += INCR; \
} while (--h);; \
} \
\
static void OPNAME ## _pixels_x2(BTYPE *block, const UINT8 *pixels, int line_size, int h) \
{ \
BTYPE *p; \
const UINT8 *pix; \
\
p = block; \
pix = pixels; \
do { \
OP(p[0], avg2(pix[0], pix[1])); \
OP(p[1], avg2(pix[1], pix[2])); \
OP(p[2], avg2(pix[2], pix[3])); \
OP(p[3], avg2(pix[3], pix[4])); \
OP(p[4], avg2(pix[4], pix[5])); \
OP(p[5], avg2(pix[5], pix[6])); \
OP(p[6], avg2(pix[6], pix[7])); \
OP(p[7], avg2(pix[7], pix[8])); \
pix += line_size; \
p += INCR; \
} while (--h); \
} \
\
static void OPNAME ## _pixels_y2(BTYPE *block, const UINT8 *pixels, int line_size, int h) \
{ \
BTYPE *p; \
const UINT8 *pix; \
const UINT8 *pix1; \
\
p = block; \
pix = pixels; \
pix1 = pixels + line_size; \
do { \
OP(p[0], avg2(pix[0], pix1[0])); \
OP(p[1], avg2(pix[1], pix1[1])); \
OP(p[2], avg2(pix[2], pix1[2])); \
OP(p[3], avg2(pix[3], pix1[3])); \
OP(p[4], avg2(pix[4], pix1[4])); \
OP(p[5], avg2(pix[5], pix1[5])); \
OP(p[6], avg2(pix[6], pix1[6])); \
OP(p[7], avg2(pix[7], pix1[7])); \
pix += line_size; \
pix1 += line_size; \
p += INCR; \
} while(--h); \
} \
\
static void OPNAME ## _pixels_xy2(BTYPE *block, const UINT8 *pixels, int line_size, int h) \
{ \
BTYPE *p; \
const UINT8 *pix; \
const UINT8 *pix1; \
\
p = block; \
pix = pixels; \
pix1 = pixels + line_size; \
do { \
OP(p[0], avg4(pix[0], pix[1], pix1[0], pix1[1])); \
OP(p[1], avg4(pix[1], pix[2], pix1[1], pix1[2])); \
OP(p[2], avg4(pix[2], pix[3], pix1[2], pix1[3])); \
OP(p[3], avg4(pix[3], pix[4], pix1[3], pix1[4])); \
OP(p[4], avg4(pix[4], pix[5], pix1[4], pix1[5])); \
OP(p[5], avg4(pix[5], pix[6], pix1[5], pix1[6])); \
OP(p[6], avg4(pix[6], pix[7], pix1[6], pix1[7])); \
OP(p[7], avg4(pix[7], pix[8], pix1[7], pix1[8])); \
pix += line_size; \
pix1 += line_size; \
p += INCR; \
} while(--h); \
} \
\
void (*OPNAME ## _pixels_tab[4])(BTYPE *block, const UINT8 *pixels, int line_size, int h) = { \
OPNAME ## _pixels, \
OPNAME ## _pixels_x2, \
OPNAME ## _pixels_y2, \
OPNAME ## _pixels_xy2, \
};
/* rounding primitives */
#define avg2(a,b) ((a+b+1)>>1)
#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
#define op_avg(a, b) a = avg2(a, b)
#define op_sub(a, b) a -= b
PIXOP(DCTELEM, sub, op_sub, 8)
/* not rounding primitives */
#undef avg2
#undef avg4
#define avg2(a,b) ((a+b)>>1)
#define avg4(a,b,c,d) ((a+b+c+d+1)>>2)
/* motion estimation */
#undef avg2
#undef avg4
#endif
#define avg2(a,b) ((a+b+1)>>1)
#define avg4(a,b,c,d) ((a+b+c+d+2)>>2)
static void gmc1_c(UINT8 *dst, UINT8 *src, int srcStride, int h, int x16, int y16, int rounder)
{
const int A=(16-x16)*(16-y16);
const int B=( x16)*(16-y16);
const int C=(16-x16)*( y16);
const int D=( x16)*( y16);
int i;
rounder= 128 - rounder;
for(i=0; i<h; i++)
{
dst[0]= (A*src[0] + B*src[1] + C*src[srcStride+0] + D*src[srcStride+1] + rounder)>>8;
dst[1]= (A*src[1] + B*src[2] + C*src[srcStride+1] + D*src[srcStride+2] + rounder)>>8;
dst[2]= (A*src[2] + B*src[3] + C*src[srcStride+2] + D*src[srcStride+3] + rounder)>>8;
dst[3]= (A*src[3] + B*src[4] + C*src[srcStride+3] + D*src[srcStride+4] + rounder)>>8;
dst[4]= (A*src[4] + B*src[5] + C*src[srcStride+4] + D*src[srcStride+5] + rounder)>>8;
dst[5]= (A*src[5] + B*src[6] + C*src[srcStride+5] + D*src[srcStride+6] + rounder)>>8;
dst[6]= (A*src[6] + B*src[7] + C*src[srcStride+6] + D*src[srcStride+7] + rounder)>>8;
dst[7]= (A*src[7] + B*src[8] + C*src[srcStride+7] + D*src[srcStride+8] + rounder)>>8;
dst+= srcStride;
src+= srcStride;
}
}
static void qpel_h_lowpass(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int h, int r)
{
UINT8 *cm = cropTbl + MAX_NEG_CROP;
int i;
for(i=0; i<h; i++)
{
dst[0]= cm[(((src[0]+src[1])*20 - (src[0]+src[2])*6 + (src[1]+src[3])*3 - (src[2]+src[4]) + r)>>5)];
dst[1]= cm[(((src[1]+src[2])*20 - (src[0]+src[3])*6 + (src[0]+src[4])*3 - (src[1]+src[5]) + r)>>5)];
dst[2]= cm[(((src[2]+src[3])*20 - (src[1]+src[4])*6 + (src[0]+src[5])*3 - (src[0]+src[6]) + r)>>5)];
dst[3]= cm[(((src[3]+src[4])*20 - (src[2]+src[5])*6 + (src[1]+src[6])*3 - (src[0]+src[7]) + r)>>5)];
dst[4]= cm[(((src[4]+src[5])*20 - (src[3]+src[6])*6 + (src[2]+src[7])*3 - (src[1]+src[8]) + r)>>5)];
dst[5]= cm[(((src[5]+src[6])*20 - (src[4]+src[7])*6 + (src[3]+src[8])*3 - (src[2]+src[8]) + r)>>5)];
dst[6]= cm[(((src[6]+src[7])*20 - (src[5]+src[8])*6 + (src[4]+src[8])*3 - (src[3]+src[7]) + r)>>5)];
dst[7]= cm[(((src[7]+src[8])*20 - (src[6]+src[8])*6 + (src[5]+src[7])*3 - (src[4]+src[6]) + r)>>5)];
dst+=dstStride;
src+=srcStride;
}
}
static void qpel_v_lowpass(UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int w, int r)
{
UINT8 *cm = cropTbl + MAX_NEG_CROP;
int i;
for(i=0; i<w; i++)
{
const int src0= src[0*srcStride];
const int src1= src[1*srcStride];
const int src2= src[2*srcStride];
const int src3= src[3*srcStride];
const int src4= src[4*srcStride];
const int src5= src[5*srcStride];
const int src6= src[6*srcStride];
const int src7= src[7*srcStride];
const int src8= src[8*srcStride];
dst[0*dstStride]= cm[(((src0+src1)*20 - (src0+src2)*6 + (src1+src3)*3 - (src2+src4) + r)>>5)];
dst[1*dstStride]= cm[(((src1+src2)*20 - (src0+src3)*6 + (src0+src4)*3 - (src1+src5) + r)>>5)];
dst[2*dstStride]= cm[(((src2+src3)*20 - (src1+src4)*6 + (src0+src5)*3 - (src0+src6) + r)>>5)];
dst[3*dstStride]= cm[(((src3+src4)*20 - (src2+src5)*6 + (src1+src6)*3 - (src0+src7) + r)>>5)];
dst[4*dstStride]= cm[(((src4+src5)*20 - (src3+src6)*6 + (src2+src7)*3 - (src1+src8) + r)>>5)];
dst[5*dstStride]= cm[(((src5+src6)*20 - (src4+src7)*6 + (src3+src8)*3 - (src2+src8) + r)>>5)];
dst[6*dstStride]= cm[(((src6+src7)*20 - (src5+src8)*6 + (src4+src8)*3 - (src3+src7) + r)>>5)];
dst[7*dstStride]= cm[(((src7+src8)*20 - (src6+src8)*6 + (src5+src7)*3 - (src4+src6) + r)>>5)];
dst++;
src++;
}
}
static inline void put_block(UINT8 *dst, UINT8 *src, int dstStride, int srcStride)
{
int i;
for(i=0; i<8; i++)
{
dst[0]= src[0];
dst[1]= src[1];
dst[2]= src[2];
dst[3]= src[3];
dst[4]= src[4];
dst[5]= src[5];
dst[6]= src[6];
dst[7]= src[7];
dst+=dstStride;
src+=srcStride;
}
}
static inline void avg2_block(UINT8 *dst, UINT8 *src1, UINT8 *src2, int dstStride, int srcStride, int r)
{
int i;
for(i=0; i<8; i++)
{
dst[0]= (src1[0] + src2[0] + r)>>1;
dst[1]= (src1[1] + src2[1] + r)>>1;
dst[2]= (src1[2] + src2[2] + r)>>1;
dst[3]= (src1[3] + src2[3] + r)>>1;
dst[4]= (src1[4] + src2[4] + r)>>1;
dst[5]= (src1[5] + src2[5] + r)>>1;
dst[6]= (src1[6] + src2[6] + r)>>1;
dst[7]= (src1[7] + src2[7] + r)>>1;
dst+=dstStride;
src1+=srcStride;
src2+=8;
}
}
static inline void avg4_block(UINT8 *dst, UINT8 *src1, UINT8 *src2, UINT8 *src3, UINT8 *src4, int dstStride, int srcStride, int r)
{
int i;
for(i=0; i<8; i++)
{
dst[0]= (src1[0] + src2[0] + src3[0] + src4[0] + r)>>2;
dst[1]= (src1[1] + src2[1] + src3[1] + src4[1] + r)>>2;
dst[2]= (src1[2] + src2[2] + src3[2] + src4[2] + r)>>2;
dst[3]= (src1[3] + src2[3] + src3[3] + src4[3] + r)>>2;
dst[4]= (src1[4] + src2[4] + src3[4] + src4[4] + r)>>2;
dst[5]= (src1[5] + src2[5] + src3[5] + src4[5] + r)>>2;
dst[6]= (src1[6] + src2[6] + src3[6] + src4[6] + r)>>2;
dst[7]= (src1[7] + src2[7] + src3[7] + src4[7] + r)>>2;
dst+=dstStride;
src1+=srcStride;
src2+=8;
src3+=8;
src4+=8;
}
}
#define QPEL_MC(r, name) \
static void qpel_mc00_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
put_block(dst, src, dstStride, srcStride);\
}\
\
static void qpel_mc10_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 half[64];\
qpel_h_lowpass(half, src, 8, srcStride, 8, 16-r);\
avg2_block(dst, src, half, dstStride, srcStride, 1-r);\
}\
\
static void qpel_mc20_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
qpel_h_lowpass(dst, src, dstStride, srcStride, 8, 16-r);\
}\
\
static void qpel_mc30_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 half[64];\
qpel_h_lowpass(half, src, 8, srcStride, 8, 16-r);\
avg2_block(dst, src+1, half, dstStride, srcStride, 1-r);\
}\
\
static void qpel_mc01_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 half[64];\
qpel_v_lowpass(half, src, 8, srcStride, 8, 16-r);\
avg2_block(dst, src, half, dstStride, srcStride, 1-r);\
}\
\
static void qpel_mc02_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
qpel_v_lowpass(dst, src, dstStride, srcStride, 8, 16-r);\
}\
\
static void qpel_mc03_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 half[64];\
qpel_v_lowpass(half, src, 8, srcStride, 8, 16-r);\
avg2_block(dst, src+srcStride, half, dstStride, srcStride, 1-r);\
}\
static void qpel_mc11_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg4_block(dst, src, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\
}\
static void qpel_mc31_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg4_block(dst, src+1, halfH, halfV, halfHV, dstStride, srcStride, 2-r);\
}\
static void qpel_mc13_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg4_block(dst, src+srcStride, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\
}\
static void qpel_mc33_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg4_block(dst, src+srcStride+1, halfH+8, halfV, halfHV, dstStride, srcStride, 2-r);\
}\
static void qpel_mc21_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg2_block(dst, halfH, halfHV, dstStride, 8, 1-r);\
}\
static void qpel_mc23_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg2_block(dst, halfH+8, halfHV, dstStride, 8, 1-r);\
}\
static void qpel_mc12_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\
}\
static void qpel_mc32_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
UINT8 halfV[64];\
UINT8 halfHV[64];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(halfV, src+1, 8, srcStride, 8, 16-r);\
qpel_v_lowpass(halfHV, halfH, 8, 8, 8, 16-r);\
avg2_block(dst, halfV, halfHV, dstStride, 8, 1-r);\
}\
static void qpel_mc22_c ## name (UINT8 *dst, UINT8 *src, int dstStride, int srcStride, int mx, int my)\
{\
UINT8 halfH[72];\
qpel_h_lowpass(halfH, src, 8, srcStride, 9, 16-r);\
qpel_v_lowpass(dst, halfH, dstStride, 8, 8, 16-r);\
}\
qpel_mc_func qpel_mc ## name ## _tab[16]={ \
qpel_mc00_c ## name, \
qpel_mc10_c ## name, \
qpel_mc20_c ## name, \
qpel_mc30_c ## name, \
qpel_mc01_c ## name, \
qpel_mc11_c ## name, \
qpel_mc21_c ## name, \
qpel_mc31_c ## name, \
qpel_mc02_c ## name, \
qpel_mc12_c ## name, \
qpel_mc22_c ## name, \
qpel_mc32_c ## name, \
qpel_mc03_c ## name, \
qpel_mc13_c ## name, \
qpel_mc23_c ## name, \
qpel_mc33_c ## name, \
};
QPEL_MC(0, _rnd)
QPEL_MC(1, _no_rnd)
int pix_abs16x16_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
s = 0;
for(i=0;i<16;i++) {
s += abs(pix1[0] - pix2[0]);
s += abs(pix1[1] - pix2[1]);
s += abs(pix1[2] - pix2[2]);
s += abs(pix1[3] - pix2[3]);
s += abs(pix1[4] - pix2[4]);
s += abs(pix1[5] - pix2[5]);
s += abs(pix1[6] - pix2[6]);
s += abs(pix1[7] - pix2[7]);
s += abs(pix1[8] - pix2[8]);
s += abs(pix1[9] - pix2[9]);
s += abs(pix1[10] - pix2[10]);
s += abs(pix1[11] - pix2[11]);
s += abs(pix1[12] - pix2[12]);
s += abs(pix1[13] - pix2[13]);
s += abs(pix1[14] - pix2[14]);
s += abs(pix1[15] - pix2[15]);
pix1 += line_size;
pix2 += line_size;
}
return s;
}
int pix_abs16x16_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
s = 0;
for(i=0;i<16;i++) {
s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
s += abs(pix1[8] - avg2(pix2[8], pix2[9]));
s += abs(pix1[9] - avg2(pix2[9], pix2[10]));
s += abs(pix1[10] - avg2(pix2[10], pix2[11]));
s += abs(pix1[11] - avg2(pix2[11], pix2[12]));
s += abs(pix1[12] - avg2(pix2[12], pix2[13]));
s += abs(pix1[13] - avg2(pix2[13], pix2[14]));
s += abs(pix1[14] - avg2(pix2[14], pix2[15]));
s += abs(pix1[15] - avg2(pix2[15], pix2[16]));
pix1 += line_size;
pix2 += line_size;
}
return s;
}
int pix_abs16x16_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
UINT8 *pix3 = pix2 + line_size;
s = 0;
for(i=0;i<16;i++) {
s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
s += abs(pix1[8] - avg2(pix2[8], pix3[8]));
s += abs(pix1[9] - avg2(pix2[9], pix3[9]));
s += abs(pix1[10] - avg2(pix2[10], pix3[10]));
s += abs(pix1[11] - avg2(pix2[11], pix3[11]));
s += abs(pix1[12] - avg2(pix2[12], pix3[12]));
s += abs(pix1[13] - avg2(pix2[13], pix3[13]));
s += abs(pix1[14] - avg2(pix2[14], pix3[14]));
s += abs(pix1[15] - avg2(pix2[15], pix3[15]));
pix1 += line_size;
pix2 += line_size;
pix3 += line_size;
}
return s;
}
int pix_abs16x16_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
UINT8 *pix3 = pix2 + line_size;
s = 0;
for(i=0;i<16;i++) {
s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
s += abs(pix1[8] - avg4(pix2[8], pix2[9], pix3[8], pix3[9]));
s += abs(pix1[9] - avg4(pix2[9], pix2[10], pix3[9], pix3[10]));
s += abs(pix1[10] - avg4(pix2[10], pix2[11], pix3[10], pix3[11]));
s += abs(pix1[11] - avg4(pix2[11], pix2[12], pix3[11], pix3[12]));
s += abs(pix1[12] - avg4(pix2[12], pix2[13], pix3[12], pix3[13]));
s += abs(pix1[13] - avg4(pix2[13], pix2[14], pix3[13], pix3[14]));
s += abs(pix1[14] - avg4(pix2[14], pix2[15], pix3[14], pix3[15]));
s += abs(pix1[15] - avg4(pix2[15], pix2[16], pix3[15], pix3[16]));
pix1 += line_size;
pix2 += line_size;
pix3 += line_size;
}
return s;
}
int pix_abs8x8_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
s = 0;
for(i=0;i<8;i++) {
s += abs(pix1[0] - pix2[0]);
s += abs(pix1[1] - pix2[1]);
s += abs(pix1[2] - pix2[2]);
s += abs(pix1[3] - pix2[3]);
s += abs(pix1[4] - pix2[4]);
s += abs(pix1[5] - pix2[5]);
s += abs(pix1[6] - pix2[6]);
s += abs(pix1[7] - pix2[7]);
pix1 += line_size;
pix2 += line_size;
}
return s;
}
int pix_abs8x8_x2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
s = 0;
for(i=0;i<8;i++) {
s += abs(pix1[0] - avg2(pix2[0], pix2[1]));
s += abs(pix1[1] - avg2(pix2[1], pix2[2]));
s += abs(pix1[2] - avg2(pix2[2], pix2[3]));
s += abs(pix1[3] - avg2(pix2[3], pix2[4]));
s += abs(pix1[4] - avg2(pix2[4], pix2[5]));
s += abs(pix1[5] - avg2(pix2[5], pix2[6]));
s += abs(pix1[6] - avg2(pix2[6], pix2[7]));
s += abs(pix1[7] - avg2(pix2[7], pix2[8]));
pix1 += line_size;
pix2 += line_size;
}
return s;
}
int pix_abs8x8_y2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
UINT8 *pix3 = pix2 + line_size;
s = 0;
for(i=0;i<8;i++) {
s += abs(pix1[0] - avg2(pix2[0], pix3[0]));
s += abs(pix1[1] - avg2(pix2[1], pix3[1]));
s += abs(pix1[2] - avg2(pix2[2], pix3[2]));
s += abs(pix1[3] - avg2(pix2[3], pix3[3]));
s += abs(pix1[4] - avg2(pix2[4], pix3[4]));
s += abs(pix1[5] - avg2(pix2[5], pix3[5]));
s += abs(pix1[6] - avg2(pix2[6], pix3[6]));
s += abs(pix1[7] - avg2(pix2[7], pix3[7]));
pix1 += line_size;
pix2 += line_size;
pix3 += line_size;
}
return s;
}
int pix_abs8x8_xy2_c(UINT8 *pix1, UINT8 *pix2, int line_size)
{
int s, i;
UINT8 *pix3 = pix2 + line_size;
s = 0;
for(i=0;i<8;i++) {
s += abs(pix1[0] - avg4(pix2[0], pix2[1], pix3[0], pix3[1]));
s += abs(pix1[1] - avg4(pix2[1], pix2[2], pix3[1], pix3[2]));
s += abs(pix1[2] - avg4(pix2[2], pix2[3], pix3[2], pix3[3]));
s += abs(pix1[3] - avg4(pix2[3], pix2[4], pix3[3], pix3[4]));
s += abs(pix1[4] - avg4(pix2[4], pix2[5], pix3[4], pix3[5]));
s += abs(pix1[5] - avg4(pix2[5], pix2[6], pix3[5], pix3[6]));
s += abs(pix1[6] - avg4(pix2[6], pix2[7], pix3[6], pix3[7]));
s += abs(pix1[7] - avg4(pix2[7], pix2[8], pix3[7], pix3[8]));
pix1 += line_size;
pix2 += line_size;
pix3 += line_size;
}
return s;
}
/* permute block according so that it corresponds to the MMX idct
order */
#ifdef SIMPLE_IDCT
/* general permutation, but perhaps slightly slower */
void block_permute(INT16 *block)
{
int i;
INT16 temp[64];
for(i=0; i<64; i++) temp[ block_permute_op(i) ] = block[i];
for(i=0; i<64; i++) block[i] = temp[i];
}
#else
void block_permute(INT16 *block)
{
int tmp1, tmp2, tmp3, tmp4, tmp5, tmp6;
int i;
for(i=0;i<8;i++) {
tmp1 = block[1];
tmp2 = block[2];
tmp3 = block[3];
tmp4 = block[4];
tmp5 = block[5];
tmp6 = block[6];
block[1] = tmp2;
block[2] = tmp4;
block[3] = tmp6;
block[4] = tmp1;
block[5] = tmp3;
block[6] = tmp5;
block += 8;
}
}
#endif
void clear_blocks_c(DCTELEM *blocks)
{
memset(blocks, 0, sizeof(DCTELEM)*6*64);
}
/* XXX: those functions should be suppressed ASAP when all IDCTs are
converted */
void gen_idct_put(UINT8 *dest, int line_size, DCTELEM *block)
{
ff_idct (block);
put_pixels_clamped(block, dest, line_size);
}
void gen_idct_add(UINT8 *dest, int line_size, DCTELEM *block)
{
ff_idct (block);
add_pixels_clamped(block, dest, line_size);
}
void dsputil_init(void)
{
int i, j;
int use_permuted_idct;
for(i=0;i<256;i++) cropTbl[i + MAX_NEG_CROP] = i;
for(i=0;i<MAX_NEG_CROP;i++) {
cropTbl[i] = 0;
cropTbl[i + MAX_NEG_CROP + 256] = 255;
}
for(i=0;i<512;i++) {
squareTbl[i] = (i - 256) * (i - 256);
}
#ifdef SIMPLE_IDCT
ff_idct = NULL;
#else
ff_idct = j_rev_dct;
#endif
get_pixels = get_pixels_c;
diff_pixels = diff_pixels_c;
put_pixels_clamped = put_pixels_clamped_c;
add_pixels_clamped = add_pixels_clamped_c;
gmc1= gmc1_c;
clear_blocks= clear_blocks_c;
pix_abs16x16 = pix_abs16x16_c;
pix_abs16x16_x2 = pix_abs16x16_x2_c;
pix_abs16x16_y2 = pix_abs16x16_y2_c;
pix_abs16x16_xy2 = pix_abs16x16_xy2_c;
pix_abs8x8 = pix_abs8x8_c;
pix_abs8x8_x2 = pix_abs8x8_x2_c;
pix_abs8x8_y2 = pix_abs8x8_y2_c;
pix_abs8x8_xy2 = pix_abs8x8_xy2_c;
av_fdct = fdct_ifast;
use_permuted_idct = 1;
#ifdef HAVE_MMX
dsputil_init_mmx();
#endif
#ifdef ARCH_ARMV4L
dsputil_init_armv4l();
#endif
#ifdef HAVE_MLIB
dsputil_init_mlib();
use_permuted_idct = 0;
#endif
#ifdef ARCH_ALPHA
dsputil_init_alpha();
use_permuted_idct = 0;
#endif
#ifdef SIMPLE_IDCT
if (ff_idct == NULL) {
ff_idct_put = simple_idct_put;
ff_idct_add = simple_idct_add;
use_permuted_idct=0;
} else {
ff_idct_put = gen_idct_put;
ff_idct_add = gen_idct_add;
}
#endif
if(use_permuted_idct)
#ifdef SIMPLE_IDCT
for(i=0; i<64; i++) permutation[i]= simple_mmx_permutation[i];
#else
for(i=0; i<64; i++) permutation[i]= (i & 0x38) | ((i & 6) >> 1) | ((i & 1) << 2);
#endif
else
for(i=0; i<64; i++) permutation[i]=i;
for(i=0; i<64; i++) inv_zigzag_direct16[zigzag_direct[i]]= i+1;
for(i=0; i<64; i++) zigzag_direct_noperm[i]= zigzag_direct[i];
if (use_permuted_idct) {
/* permute for IDCT */
for(i=0;i<64;i++) {
j = zigzag_direct[i];
zigzag_direct[i] = block_permute_op(j);
j = ff_alternate_horizontal_scan[i];
ff_alternate_horizontal_scan[i] = block_permute_op(j);
j = ff_alternate_vertical_scan[i];
ff_alternate_vertical_scan[i] = block_permute_op(j);
}
block_permute(default_intra_matrix);
block_permute(default_non_intra_matrix);
block_permute(ff_mpeg4_default_intra_matrix);
block_permute(ff_mpeg4_default_non_intra_matrix);
}
build_zigzag_end();
}
/* remove any non bit exact operation (testing purpose) */
void avcodec_set_bit_exact(void)
{
#ifdef HAVE_MMX
dsputil_set_bit_exact_mmx();
#endif
}
void get_psnr(UINT8 *orig_image[3], UINT8 *coded_image[3],
int orig_linesize[3], int coded_linesize,
AVCodecContext *avctx)
{
int quad, diff, x, y;
UINT8 *orig, *coded;
UINT32 *sq = squareTbl + 256;
quad = 0;
diff = 0;
/* Luminance */
orig = orig_image[0];
coded = coded_image[0];
for (y=0;y<avctx->height;y++) {
for (x=0;x<avctx->width;x++) {
diff = *(orig + x) - *(coded + x);
quad += sq[diff];
}
orig += orig_linesize[0];
coded += coded_linesize;
}
avctx->psnr_y = (float) quad / (float) (avctx->width * avctx->height);
if (avctx->psnr_y) {
avctx->psnr_y = (float) (255 * 255) / avctx->psnr_y;
avctx->psnr_y = 10 * (float) log10 (avctx->psnr_y);
} else
avctx->psnr_y = 99.99;
}