347 lines
9.6 KiB
C
347 lines
9.6 KiB
C
/*
|
|
* Alpha optimized DSP utils
|
|
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
|
|
*
|
|
* 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
|
|
*/
|
|
|
|
#include "libavcodec/dsputil.h"
|
|
#include "dsputil_alpha.h"
|
|
#include "asm.h"
|
|
|
|
void get_pixels_mvi(DCTELEM *restrict block,
|
|
const uint8_t *restrict pixels, int line_size)
|
|
{
|
|
int h = 8;
|
|
|
|
do {
|
|
uint64_t p;
|
|
|
|
p = ldq(pixels);
|
|
stq(unpkbw(p), block);
|
|
stq(unpkbw(p >> 32), block + 4);
|
|
|
|
pixels += line_size;
|
|
block += 8;
|
|
} while (--h);
|
|
}
|
|
|
|
void diff_pixels_mvi(DCTELEM *block, const uint8_t *s1, const uint8_t *s2,
|
|
int stride) {
|
|
int h = 8;
|
|
uint64_t mask = 0x4040;
|
|
|
|
mask |= mask << 16;
|
|
mask |= mask << 32;
|
|
do {
|
|
uint64_t x, y, c, d, a;
|
|
uint64_t signs;
|
|
|
|
x = ldq(s1);
|
|
y = ldq(s2);
|
|
c = cmpbge(x, y);
|
|
d = x - y;
|
|
a = zap(mask, c); /* We use 0x4040404040404040 here... */
|
|
d += 4 * a; /* ...so we can use s4addq here. */
|
|
signs = zap(-1, c);
|
|
|
|
stq(unpkbw(d) | (unpkbw(signs) << 8), block);
|
|
stq(unpkbw(d >> 32) | (unpkbw(signs >> 32) << 8), block + 4);
|
|
|
|
s1 += stride;
|
|
s2 += stride;
|
|
block += 8;
|
|
} while (--h);
|
|
}
|
|
|
|
static inline uint64_t avg2(uint64_t a, uint64_t b)
|
|
{
|
|
return (a | b) - (((a ^ b) & BYTE_VEC(0xfe)) >> 1);
|
|
}
|
|
|
|
static inline uint64_t avg4(uint64_t l1, uint64_t l2, uint64_t l3, uint64_t l4)
|
|
{
|
|
uint64_t r1 = ((l1 & ~BYTE_VEC(0x03)) >> 2)
|
|
+ ((l2 & ~BYTE_VEC(0x03)) >> 2)
|
|
+ ((l3 & ~BYTE_VEC(0x03)) >> 2)
|
|
+ ((l4 & ~BYTE_VEC(0x03)) >> 2);
|
|
uint64_t r2 = (( (l1 & BYTE_VEC(0x03))
|
|
+ (l2 & BYTE_VEC(0x03))
|
|
+ (l3 & BYTE_VEC(0x03))
|
|
+ (l4 & BYTE_VEC(0x03))
|
|
+ BYTE_VEC(0x02)) >> 2) & BYTE_VEC(0x03);
|
|
return r1 + r2;
|
|
}
|
|
|
|
int pix_abs8x8_mvi(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
|
|
{
|
|
int result = 0;
|
|
|
|
if ((size_t) pix2 & 0x7) {
|
|
/* works only when pix2 is actually unaligned */
|
|
do { /* do 8 pixel a time */
|
|
uint64_t p1, p2;
|
|
|
|
p1 = ldq(pix1);
|
|
p2 = uldq(pix2);
|
|
result += perr(p1, p2);
|
|
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
} while (--h);
|
|
} else {
|
|
do {
|
|
uint64_t p1, p2;
|
|
|
|
p1 = ldq(pix1);
|
|
p2 = ldq(pix2);
|
|
result += perr(p1, p2);
|
|
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
} while (--h);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
#if 0 /* now done in assembly */
|
|
int pix_abs16x16_mvi(uint8_t *pix1, uint8_t *pix2, int line_size)
|
|
{
|
|
int result = 0;
|
|
int h = 16;
|
|
|
|
if ((size_t) pix2 & 0x7) {
|
|
/* works only when pix2 is actually unaligned */
|
|
do { /* do 16 pixel a time */
|
|
uint64_t p1_l, p1_r, p2_l, p2_r;
|
|
uint64_t t;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
t = ldq_u(pix2 + 8);
|
|
p2_l = extql(ldq_u(pix2), pix2) | extqh(t, pix2);
|
|
p2_r = extql(t, pix2) | extqh(ldq_u(pix2 + 16), pix2);
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
result += perr(p1_l, p2_l)
|
|
+ perr(p1_r, p2_r);
|
|
} while (--h);
|
|
} else {
|
|
do {
|
|
uint64_t p1_l, p1_r, p2_l, p2_r;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
p2_l = ldq(pix2);
|
|
p2_r = ldq(pix2 + 8);
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
result += perr(p1_l, p2_l)
|
|
+ perr(p1_r, p2_r);
|
|
} while (--h);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
#endif
|
|
|
|
int pix_abs16x16_x2_mvi(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
|
|
{
|
|
int result = 0;
|
|
uint64_t disalign = (size_t) pix2 & 0x7;
|
|
|
|
switch (disalign) {
|
|
case 0:
|
|
do {
|
|
uint64_t p1_l, p1_r, p2_l, p2_r;
|
|
uint64_t l, r;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
l = ldq(pix2);
|
|
r = ldq(pix2 + 8);
|
|
p2_l = avg2(l, (l >> 8) | ((uint64_t) r << 56));
|
|
p2_r = avg2(r, (r >> 8) | ((uint64_t) pix2[16] << 56));
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
result += perr(p1_l, p2_l)
|
|
+ perr(p1_r, p2_r);
|
|
} while (--h);
|
|
break;
|
|
case 7:
|
|
/* |.......l|lllllllr|rrrrrrr*|
|
|
This case is special because disalign1 would be 8, which
|
|
gets treated as 0 by extqh. At least it is a bit faster
|
|
that way :) */
|
|
do {
|
|
uint64_t p1_l, p1_r, p2_l, p2_r;
|
|
uint64_t l, m, r;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
l = ldq_u(pix2);
|
|
m = ldq_u(pix2 + 8);
|
|
r = ldq_u(pix2 + 16);
|
|
p2_l = avg2(extql(l, disalign) | extqh(m, disalign), m);
|
|
p2_r = avg2(extql(m, disalign) | extqh(r, disalign), r);
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
result += perr(p1_l, p2_l)
|
|
+ perr(p1_r, p2_r);
|
|
} while (--h);
|
|
break;
|
|
default:
|
|
do {
|
|
uint64_t disalign1 = disalign + 1;
|
|
uint64_t p1_l, p1_r, p2_l, p2_r;
|
|
uint64_t l, m, r;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
l = ldq_u(pix2);
|
|
m = ldq_u(pix2 + 8);
|
|
r = ldq_u(pix2 + 16);
|
|
p2_l = avg2(extql(l, disalign) | extqh(m, disalign),
|
|
extql(l, disalign1) | extqh(m, disalign1));
|
|
p2_r = avg2(extql(m, disalign) | extqh(r, disalign),
|
|
extql(m, disalign1) | extqh(r, disalign1));
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
result += perr(p1_l, p2_l)
|
|
+ perr(p1_r, p2_r);
|
|
} while (--h);
|
|
break;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int pix_abs16x16_y2_mvi(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
|
|
{
|
|
int result = 0;
|
|
|
|
if ((size_t) pix2 & 0x7) {
|
|
uint64_t t, p2_l, p2_r;
|
|
t = ldq_u(pix2 + 8);
|
|
p2_l = extql(ldq_u(pix2), pix2) | extqh(t, pix2);
|
|
p2_r = extql(t, pix2) | extqh(ldq_u(pix2 + 16), pix2);
|
|
|
|
do {
|
|
uint64_t p1_l, p1_r, np2_l, np2_r;
|
|
uint64_t t;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
pix2 += line_size;
|
|
t = ldq_u(pix2 + 8);
|
|
np2_l = extql(ldq_u(pix2), pix2) | extqh(t, pix2);
|
|
np2_r = extql(t, pix2) | extqh(ldq_u(pix2 + 16), pix2);
|
|
|
|
result += perr(p1_l, avg2(p2_l, np2_l))
|
|
+ perr(p1_r, avg2(p2_r, np2_r));
|
|
|
|
pix1 += line_size;
|
|
p2_l = np2_l;
|
|
p2_r = np2_r;
|
|
|
|
} while (--h);
|
|
} else {
|
|
uint64_t p2_l, p2_r;
|
|
p2_l = ldq(pix2);
|
|
p2_r = ldq(pix2 + 8);
|
|
do {
|
|
uint64_t p1_l, p1_r, np2_l, np2_r;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
pix2 += line_size;
|
|
np2_l = ldq(pix2);
|
|
np2_r = ldq(pix2 + 8);
|
|
|
|
result += perr(p1_l, avg2(p2_l, np2_l))
|
|
+ perr(p1_r, avg2(p2_r, np2_r));
|
|
|
|
pix1 += line_size;
|
|
p2_l = np2_l;
|
|
p2_r = np2_r;
|
|
} while (--h);
|
|
}
|
|
return result;
|
|
}
|
|
|
|
int pix_abs16x16_xy2_mvi(void *v, uint8_t *pix1, uint8_t *pix2, int line_size, int h)
|
|
{
|
|
int result = 0;
|
|
|
|
uint64_t p1_l, p1_r;
|
|
uint64_t p2_l, p2_r, p2_x;
|
|
|
|
p1_l = ldq(pix1);
|
|
p1_r = ldq(pix1 + 8);
|
|
|
|
if ((size_t) pix2 & 0x7) { /* could be optimized a lot */
|
|
p2_l = uldq(pix2);
|
|
p2_r = uldq(pix2 + 8);
|
|
p2_x = (uint64_t) pix2[16] << 56;
|
|
} else {
|
|
p2_l = ldq(pix2);
|
|
p2_r = ldq(pix2 + 8);
|
|
p2_x = ldq(pix2 + 16) << 56;
|
|
}
|
|
|
|
do {
|
|
uint64_t np1_l, np1_r;
|
|
uint64_t np2_l, np2_r, np2_x;
|
|
|
|
pix1 += line_size;
|
|
pix2 += line_size;
|
|
|
|
np1_l = ldq(pix1);
|
|
np1_r = ldq(pix1 + 8);
|
|
|
|
if ((size_t) pix2 & 0x7) { /* could be optimized a lot */
|
|
np2_l = uldq(pix2);
|
|
np2_r = uldq(pix2 + 8);
|
|
np2_x = (uint64_t) pix2[16] << 56;
|
|
} else {
|
|
np2_l = ldq(pix2);
|
|
np2_r = ldq(pix2 + 8);
|
|
np2_x = ldq(pix2 + 16) << 56;
|
|
}
|
|
|
|
result += perr(p1_l,
|
|
avg4( p2_l, ( p2_l >> 8) | ((uint64_t) p2_r << 56),
|
|
np2_l, (np2_l >> 8) | ((uint64_t) np2_r << 56)))
|
|
+ perr(p1_r,
|
|
avg4( p2_r, ( p2_r >> 8) | ((uint64_t) p2_x),
|
|
np2_r, (np2_r >> 8) | ((uint64_t) np2_x)));
|
|
|
|
p1_l = np1_l;
|
|
p1_r = np1_r;
|
|
p2_l = np2_l;
|
|
p2_r = np2_r;
|
|
p2_x = np2_x;
|
|
} while (--h);
|
|
|
|
return result;
|
|
}
|