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/*
* MMX optimized discrete wavelet transform
* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at>
* Copyright (c) 2010 David Conrad
*
* 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 "libavutil/x86/asm.h"
#include "dsputil_x86.h"
#include "dirac_dwt.h"
#define COMPOSE_VERTICAL(ext, align) \
void ff_vertical_compose53iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); \
void ff_vertical_compose_dirac53iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width); \
void ff_vertical_compose_dd137iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width); \
void ff_vertical_compose_dd97iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, IDWTELEM *b3, IDWTELEM *b4, int width); \
void ff_vertical_compose_haar##ext(IDWTELEM *b0, IDWTELEM *b1, int width); \
void ff_horizontal_compose_haar0i##ext(IDWTELEM *b, IDWTELEM *tmp, int w);\
void ff_horizontal_compose_haar1i##ext(IDWTELEM *b, IDWTELEM *tmp, int w);\
\
static void vertical_compose53iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) \
{ \
int i, width_align = width&~(align-1); \
\
for(i=width_align; i<width; i++) \
b1[i] = COMPOSE_53iL0(b0[i], b1[i], b2[i]); \
\
ff_vertical_compose53iL0##ext(b0, b1, b2, width_align); \
} \
\
static void vertical_compose_dirac53iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, int width) \
{ \
int i, width_align = width&~(align-1); \
\
for(i=width_align; i<width; i++) \
b1[i] = COMPOSE_DIRAC53iH0(b0[i], b1[i], b2[i]); \
\
ff_vertical_compose_dirac53iH0##ext(b0, b1, b2, width_align); \
} \
\
static void vertical_compose_dd137iL0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, \
IDWTELEM *b3, IDWTELEM *b4, int width) \
{ \
int i, width_align = width&~(align-1); \
\
for(i=width_align; i<width; i++) \
b2[i] = COMPOSE_DD137iL0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
\
ff_vertical_compose_dd137iL0##ext(b0, b1, b2, b3, b4, width_align); \
} \
\
static void vertical_compose_dd97iH0##ext(IDWTELEM *b0, IDWTELEM *b1, IDWTELEM *b2, \
IDWTELEM *b3, IDWTELEM *b4, int width) \
{ \
int i, width_align = width&~(align-1); \
\
for(i=width_align; i<width; i++) \
b2[i] = COMPOSE_DD97iH0(b0[i], b1[i], b2[i], b3[i], b4[i]); \
\
ff_vertical_compose_dd97iH0##ext(b0, b1, b2, b3, b4, width_align); \
} \
static void vertical_compose_haar##ext(IDWTELEM *b0, IDWTELEM *b1, int width) \
{ \
int i, width_align = width&~(align-1); \
\
for(i=width_align; i<width; i++) { \
b0[i] = COMPOSE_HAARiL0(b0[i], b1[i]); \
b1[i] = COMPOSE_HAARiH0(b1[i], b0[i]); \
} \
\
ff_vertical_compose_haar##ext(b0, b1, width_align); \
} \
static void horizontal_compose_haar0i##ext(IDWTELEM *b, IDWTELEM *tmp, int w)\
{\
int w2= w>>1;\
int x= w2 - (w2&(align-1));\
ff_horizontal_compose_haar0i##ext(b, tmp, w);\
\
for (; x < w2; x++) {\
b[2*x ] = tmp[x];\
b[2*x+1] = COMPOSE_HAARiH0(b[x+w2], tmp[x]);\
}\
}\
static void horizontal_compose_haar1i##ext(IDWTELEM *b, IDWTELEM *tmp, int w)\
{\
int w2= w>>1;\
int x= w2 - (w2&(align-1));\
ff_horizontal_compose_haar1i##ext(b, tmp, w);\
\
for (; x < w2; x++) {\
b[2*x ] = (tmp[x] + 1)>>1;\
b[2*x+1] = (COMPOSE_HAARiH0(b[x+w2], tmp[x]) + 1)>>1;\
}\
}\
\
#if HAVE_YASM
#if !ARCH_X86_64
COMPOSE_VERTICAL(_mmx, 4)
#endif
COMPOSE_VERTICAL(_sse2, 8)
void ff_horizontal_compose_dd97i_ssse3(IDWTELEM *b, IDWTELEM *tmp, int w);
static void horizontal_compose_dd97i_ssse3(IDWTELEM *b, IDWTELEM *tmp, int w)
{
int w2= w>>1;
int x= w2 - (w2&7);
ff_horizontal_compose_dd97i_ssse3(b, tmp, w);
for (; x < w2; x++) {
b[2*x ] = (tmp[x] + 1)>>1;
b[2*x+1] = (COMPOSE_DD97iH0(tmp[x-1], tmp[x], b[x+w2], tmp[x+1], tmp[x+2]) + 1)>>1;
}
}
#endif
void ff_spatial_idwt_init_mmx(DWTContext *d, enum dwt_type type)
{
#if HAVE_YASM
int mm_flags = av_get_cpu_flags();
#if !ARCH_X86_64
if (!(mm_flags & AV_CPU_FLAG_MMX))
return;
switch (type) {
case DWT_DIRAC_DD9_7:
d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx;
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx;
break;
case DWT_DIRAC_LEGALL5_3:
d->vertical_compose_l0 = (void*)vertical_compose53iL0_mmx;
d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_mmx;
break;
case DWT_DIRAC_DD13_7:
d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_mmx;
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_mmx;
break;
case DWT_DIRAC_HAAR0:
d->vertical_compose = (void*)vertical_compose_haar_mmx;
d->horizontal_compose = horizontal_compose_haar0i_mmx;
break;
case DWT_DIRAC_HAAR1:
d->vertical_compose = (void*)vertical_compose_haar_mmx;
d->horizontal_compose = horizontal_compose_haar1i_mmx;
break;
}
#endif
if (!(mm_flags & AV_CPU_FLAG_SSE2))
return;
switch (type) {
case DWT_DIRAC_DD9_7:
d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2;
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2;
break;
case DWT_DIRAC_LEGALL5_3:
d->vertical_compose_l0 = (void*)vertical_compose53iL0_sse2;
d->vertical_compose_h0 = (void*)vertical_compose_dirac53iH0_sse2;
break;
case DWT_DIRAC_DD13_7:
d->vertical_compose_l0 = (void*)vertical_compose_dd137iL0_sse2;
d->vertical_compose_h0 = (void*)vertical_compose_dd97iH0_sse2;
break;
case DWT_DIRAC_HAAR0:
d->vertical_compose = (void*)vertical_compose_haar_sse2;
d->horizontal_compose = horizontal_compose_haar0i_sse2;
break;
case DWT_DIRAC_HAAR1:
d->vertical_compose = (void*)vertical_compose_haar_sse2;
d->horizontal_compose = horizontal_compose_haar1i_sse2;
break;
}
if (!(mm_flags & AV_CPU_FLAG_SSSE3))
return;
switch (type) {
case DWT_DIRAC_DD9_7:
d->horizontal_compose = horizontal_compose_dd97i_ssse3;
break;
}
#endif // HAVE_YASM
}
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