mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: Martin Storsjö <martin@martin.st>pull/15/head
Ronald S. Bultje
12 years ago
committed by
Martin Storsjö
parent
78ce568e43
commit
2957d29f05
10 changed files with 381 additions and 290 deletions
@ -0,0 +1,213 @@ |
||||
/*
|
||||
* Alpha optimized DSP utils |
||||
* Copyright (c) 2002 Falk Hueffner <falk@debian.org> |
||||
* |
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#include "libavutil/attributes.h" |
||||
#include "libavcodec/hpeldsp.h" |
||||
#include "hpeldsp_alpha.h" |
||||
#include "asm.h" |
||||
|
||||
static inline uint64_t avg2_no_rnd(uint64_t a, uint64_t b) |
||||
{ |
||||
return (a & b) + (((a ^ b) & BYTE_VEC(0xfe)) >> 1); |
||||
} |
||||
|
||||
static inline uint64_t avg2(uint64_t a, uint64_t b) |
||||
{ |
||||
return (a | b) - (((a ^ b) & BYTE_VEC(0xfe)) >> 1); |
||||
} |
||||
|
||||
#if 0 |
||||
/* The XY2 routines basically utilize this scheme, but reuse parts in
|
||||
each iteration. */ |
||||
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; |
||||
} |
||||
#endif |
||||
|
||||
#define OP(LOAD, STORE) \ |
||||
do { \
|
||||
STORE(LOAD(pixels), block); \
|
||||
pixels += line_size; \
|
||||
block += line_size; \
|
||||
} while (--h) |
||||
|
||||
#define OP_X2(LOAD, STORE) \ |
||||
do { \
|
||||
uint64_t pix1, pix2; \
|
||||
\
|
||||
pix1 = LOAD(pixels); \
|
||||
pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
|
||||
STORE(AVG2(pix1, pix2), block); \
|
||||
pixels += line_size; \
|
||||
block += line_size; \
|
||||
} while (--h) |
||||
|
||||
#define OP_Y2(LOAD, STORE) \ |
||||
do { \
|
||||
uint64_t pix = LOAD(pixels); \
|
||||
do { \
|
||||
uint64_t next_pix; \
|
||||
\
|
||||
pixels += line_size; \
|
||||
next_pix = LOAD(pixels); \
|
||||
STORE(AVG2(pix, next_pix), block); \
|
||||
block += line_size; \
|
||||
pix = next_pix; \
|
||||
} while (--h); \
|
||||
} while (0) |
||||
|
||||
#define OP_XY2(LOAD, STORE) \ |
||||
do { \
|
||||
uint64_t pix1 = LOAD(pixels); \
|
||||
uint64_t pix2 = pix1 >> 8 | ((uint64_t) pixels[8] << 56); \
|
||||
uint64_t pix_l = (pix1 & BYTE_VEC(0x03)) \
|
||||
+ (pix2 & BYTE_VEC(0x03)); \
|
||||
uint64_t pix_h = ((pix1 & ~BYTE_VEC(0x03)) >> 2) \
|
||||
+ ((pix2 & ~BYTE_VEC(0x03)) >> 2); \
|
||||
\
|
||||
do { \
|
||||
uint64_t npix1, npix2; \
|
||||
uint64_t npix_l, npix_h; \
|
||||
uint64_t avg; \
|
||||
\
|
||||
pixels += line_size; \
|
||||
npix1 = LOAD(pixels); \
|
||||
npix2 = npix1 >> 8 | ((uint64_t) pixels[8] << 56); \
|
||||
npix_l = (npix1 & BYTE_VEC(0x03)) \
|
||||
+ (npix2 & BYTE_VEC(0x03)); \
|
||||
npix_h = ((npix1 & ~BYTE_VEC(0x03)) >> 2) \
|
||||
+ ((npix2 & ~BYTE_VEC(0x03)) >> 2); \
|
||||
avg = (((pix_l + npix_l + AVG4_ROUNDER) >> 2) & BYTE_VEC(0x03)) \
|
||||
+ pix_h + npix_h; \
|
||||
STORE(avg, block); \
|
||||
\
|
||||
block += line_size; \
|
||||
pix_l = npix_l; \
|
||||
pix_h = npix_h; \
|
||||
} while (--h); \
|
||||
} while (0) |
||||
|
||||
#define MAKE_OP(OPNAME, SUFF, OPKIND, STORE) \ |
||||
static void OPNAME ## _pixels ## SUFF ## _axp \
|
||||
(uint8_t *restrict block, const uint8_t *restrict pixels, \
|
||||
ptrdiff_t line_size, int h) \
|
||||
{ \
|
||||
if ((size_t) pixels & 0x7) { \
|
||||
OPKIND(uldq, STORE); \
|
||||
} else { \
|
||||
OPKIND(ldq, STORE); \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
static void OPNAME ## _pixels16 ## SUFF ## _axp \
|
||||
(uint8_t *restrict block, const uint8_t *restrict pixels, \
|
||||
ptrdiff_t line_size, int h) \
|
||||
{ \
|
||||
OPNAME ## _pixels ## SUFF ## _axp(block, pixels, line_size, h); \
|
||||
OPNAME ## _pixels ## SUFF ## _axp(block + 8, pixels + 8, line_size, h); \
|
||||
} |
||||
|
||||
#define PIXOP(OPNAME, STORE) \ |
||||
MAKE_OP(OPNAME, , OP, STORE) \
|
||||
MAKE_OP(OPNAME, _x2, OP_X2, STORE) \
|
||||
MAKE_OP(OPNAME, _y2, OP_Y2, STORE) \
|
||||
MAKE_OP(OPNAME, _xy2, OP_XY2, STORE) |
||||
|
||||
/* Rounding primitives. */ |
||||
#define AVG2 avg2 |
||||
#define AVG4 avg4 |
||||
#define AVG4_ROUNDER BYTE_VEC(0x02) |
||||
#define STORE(l, b) stq(l, b) |
||||
PIXOP(put, STORE); |
||||
|
||||
#undef STORE |
||||
#define STORE(l, b) stq(AVG2(l, ldq(b)), b); |
||||
PIXOP(avg, STORE); |
||||
|
||||
/* Not rounding primitives. */ |
||||
#undef AVG2 |
||||
#undef AVG4 |
||||
#undef AVG4_ROUNDER |
||||
#undef STORE |
||||
#define AVG2 avg2_no_rnd |
||||
#define AVG4 avg4_no_rnd |
||||
#define AVG4_ROUNDER BYTE_VEC(0x01) |
||||
#define STORE(l, b) stq(l, b) |
||||
PIXOP(put_no_rnd, STORE); |
||||
|
||||
#undef STORE |
||||
#define STORE(l, b) stq(AVG2(l, ldq(b)), b); |
||||
PIXOP(avg_no_rnd, STORE); |
||||
|
||||
static void put_pixels16_axp_asm(uint8_t *block, const uint8_t *pixels, |
||||
ptrdiff_t line_size, int h) |
||||
{ |
||||
put_pixels_axp_asm(block, pixels, line_size, h); |
||||
put_pixels_axp_asm(block + 8, pixels + 8, line_size, h); |
||||
} |
||||
|
||||
av_cold void ff_hpeldsp_init_alpha(HpelDSPContext *c, int flags) |
||||
{ |
||||
c->put_pixels_tab[0][0] = put_pixels16_axp_asm; |
||||
c->put_pixels_tab[0][1] = put_pixels16_x2_axp; |
||||
c->put_pixels_tab[0][2] = put_pixels16_y2_axp; |
||||
c->put_pixels_tab[0][3] = put_pixels16_xy2_axp; |
||||
|
||||
c->put_no_rnd_pixels_tab[0][0] = put_pixels16_axp_asm; |
||||
c->put_no_rnd_pixels_tab[0][1] = put_no_rnd_pixels16_x2_axp; |
||||
c->put_no_rnd_pixels_tab[0][2] = put_no_rnd_pixels16_y2_axp; |
||||
c->put_no_rnd_pixels_tab[0][3] = put_no_rnd_pixels16_xy2_axp; |
||||
|
||||
c->avg_pixels_tab[0][0] = avg_pixels16_axp; |
||||
c->avg_pixels_tab[0][1] = avg_pixels16_x2_axp; |
||||
c->avg_pixels_tab[0][2] = avg_pixels16_y2_axp; |
||||
c->avg_pixels_tab[0][3] = avg_pixels16_xy2_axp; |
||||
|
||||
c->avg_no_rnd_pixels_tab[0] = avg_no_rnd_pixels16_axp; |
||||
c->avg_no_rnd_pixels_tab[1] = avg_no_rnd_pixels16_x2_axp; |
||||
c->avg_no_rnd_pixels_tab[2] = avg_no_rnd_pixels16_y2_axp; |
||||
c->avg_no_rnd_pixels_tab[3] = avg_no_rnd_pixels16_xy2_axp; |
||||
|
||||
c->put_pixels_tab[1][0] = put_pixels_axp_asm; |
||||
c->put_pixels_tab[1][1] = put_pixels_x2_axp; |
||||
c->put_pixels_tab[1][2] = put_pixels_y2_axp; |
||||
c->put_pixels_tab[1][3] = put_pixels_xy2_axp; |
||||
|
||||
c->put_no_rnd_pixels_tab[1][0] = put_pixels_axp_asm; |
||||
c->put_no_rnd_pixels_tab[1][1] = put_no_rnd_pixels_x2_axp; |
||||
c->put_no_rnd_pixels_tab[1][2] = put_no_rnd_pixels_y2_axp; |
||||
c->put_no_rnd_pixels_tab[1][3] = put_no_rnd_pixels_xy2_axp; |
||||
|
||||
c->avg_pixels_tab[1][0] = avg_pixels_axp; |
||||
c->avg_pixels_tab[1][1] = avg_pixels_x2_axp; |
||||
c->avg_pixels_tab[1][2] = avg_pixels_y2_axp; |
||||
c->avg_pixels_tab[1][3] = avg_pixels_xy2_axp; |
||||
} |
||||
@ -0,0 +1,28 @@ |
||||
/*
|
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; if not, write to the Free Software |
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
#ifndef AVCODEC_ALPHA_HPELDSP_ALPHA_H |
||||
#define AVCODEC_ALPHA_HPELDSP_ALPHA_H |
||||
|
||||
#include <stdint.h> |
||||
#include <stddef.h> |
||||
|
||||
void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
||||
ptrdiff_t line_size, int h); |
||||
|
||||
#endif /* AVCODEC_ALPHA_HPELDSP_ALPHA_H */ |
||||
@ -0,0 +1,124 @@ |
||||
/* |
||||
* Alpha optimized DSP utils |
||||
* Copyright (c) 2002 Falk Hueffner <falk@debian.org>
|
||||
* |
||||
* This file is part of Libav. |
||||
* |
||||
* Libav 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. |
||||
* |
||||
* Libav 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 Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
||||
*/ |
||||
|
||||
/* |
||||
* These functions are scheduled for pca56. They should work |
||||
* reasonably on ev6, though. |
||||
*/ |
||||
|
||||
#include "regdef.h" |
||||
|
||||
.set noat
|
||||
.set noreorder
|
||||
.arch pca56
|
||||
.text |
||||
|
||||
/************************************************************************ |
||||
* void put_pixels_axp_asm(uint8_t *block, const uint8_t *pixels, |
||||
* int line_size, int h) |
||||
*/ |
||||
.align 6
|
||||
.globl put_pixels_axp_asm
|
||||
.ent put_pixels_axp_asm
|
||||
put_pixels_axp_asm: |
||||
.frame sp, 0, ra |
||||
.prologue 0
|
||||
|
||||
and a1, 7, t0 |
||||
beq t0, $aligned |
||||
|
||||
.align 4
|
||||
$unaligned: |
||||
ldq_u t0, 0(a1) |
||||
ldq_u t1, 8(a1) |
||||
addq a1, a2, a1 |
||||
nop |
||||
|
||||
ldq_u t2, 0(a1) |
||||
ldq_u t3, 8(a1) |
||||
addq a1, a2, a1 |
||||
nop |
||||
|
||||
ldq_u t4, 0(a1) |
||||
ldq_u t5, 8(a1) |
||||
addq a1, a2, a1 |
||||
nop |
||||
|
||||
ldq_u t6, 0(a1) |
||||
ldq_u t7, 8(a1) |
||||
extql t0, a1, t0 |
||||
addq a1, a2, a1 |
||||
|
||||
extqh t1, a1, t1 |
||||
addq a0, a2, t8 |
||||
extql t2, a1, t2 |
||||
addq t8, a2, t9 |
||||
|
||||
extqh t3, a1, t3 |
||||
addq t9, a2, ta |
||||
extql t4, a1, t4 |
||||
or t0, t1, t0 |
||||
|
||||
extqh t5, a1, t5 |
||||
or t2, t3, t2 |
||||
extql t6, a1, t6 |
||||
or t4, t5, t4 |
||||
|
||||
extqh t7, a1, t7 |
||||
or t6, t7, t6 |
||||
stq t0, 0(a0) |
||||
stq t2, 0(t8) |
||||
|
||||
stq t4, 0(t9) |
||||
subq a3, 4, a3 |
||||
stq t6, 0(ta) |
||||
addq ta, a2, a0 |
||||
|
||||
bne a3, $unaligned |
||||
ret |
||||
|
||||
.align 4
|
||||
$aligned: |
||||
ldq t0, 0(a1) |
||||
addq a1, a2, a1 |
||||
ldq t1, 0(a1) |
||||
addq a1, a2, a1 |
||||
|
||||
ldq t2, 0(a1) |
||||
addq a1, a2, a1 |
||||
ldq t3, 0(a1) |
||||
|
||||
addq a0, a2, t4 |
||||
addq a1, a2, a1 |
||||
addq t4, a2, t5 |
||||
subq a3, 4, a3 |
||||
|
||||
stq t0, 0(a0) |
||||
addq t5, a2, t6 |
||||
stq t1, 0(t4) |
||||
addq t6, a2, a0 |
||||
|
||||
stq t2, 0(t5) |
||||
stq t3, 0(t6) |
||||
|
||||
bne a3, $aligned |
||||
ret |
||||
.end put_pixels_axp_asm
|
||||
Loading…
Reference in new issue