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/* |
* Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at> |
* |
* This file is part of FFmpeg. |
* |
* FFmpeg is free software; you can redistribute it and/or modify |
* it under the terms of the GNU General Public License as published by |
* the Free Software Foundation; either version 2 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 General Public License for more details. |
* |
* You should have received a copy of the GNU 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/attributes.h" |
#include "libavutil/cpu.h" |
#include "libavutil/mem.h" |
#include "libavutil/x86/asm.h" |
#include "libavfilter/vf_spp.h" |
|
#if HAVE_MMX_INLINE |
static void hardthresh_mmx(int16_t dst[64], const int16_t src[64], |
int qp, const uint8_t *permutation) |
{ |
int bias = 0; //FIXME |
unsigned int threshold1; |
|
threshold1 = qp * ((1<<4) - bias) - 1; |
|
#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \ |
"movq " #src0 ", %%mm0 \n" \ |
"movq " #src1 ", %%mm1 \n" \ |
"movq " #src2 ", %%mm2 \n" \ |
"movq " #src3 ", %%mm3 \n" \ |
"psubw %%mm4, %%mm0 \n" \ |
"psubw %%mm4, %%mm1 \n" \ |
"psubw %%mm4, %%mm2 \n" \ |
"psubw %%mm4, %%mm3 \n" \ |
"paddusw %%mm5, %%mm0 \n" \ |
"paddusw %%mm5, %%mm1 \n" \ |
"paddusw %%mm5, %%mm2 \n" \ |
"paddusw %%mm5, %%mm3 \n" \ |
"paddw %%mm6, %%mm0 \n" \ |
"paddw %%mm6, %%mm1 \n" \ |
"paddw %%mm6, %%mm2 \n" \ |
"paddw %%mm6, %%mm3 \n" \ |
"psubusw %%mm6, %%mm0 \n" \ |
"psubusw %%mm6, %%mm1 \n" \ |
"psubusw %%mm6, %%mm2 \n" \ |
"psubusw %%mm6, %%mm3 \n" \ |
"psraw $3, %%mm0 \n" \ |
"psraw $3, %%mm1 \n" \ |
"psraw $3, %%mm2 \n" \ |
"psraw $3, %%mm3 \n" \ |
\ |
"movq %%mm0, %%mm7 \n" \ |
"punpcklwd %%mm2, %%mm0 \n" /*A*/ \ |
"punpckhwd %%mm2, %%mm7 \n" /*C*/ \ |
"movq %%mm1, %%mm2 \n" \ |
"punpcklwd %%mm3, %%mm1 \n" /*B*/ \ |
"punpckhwd %%mm3, %%mm2 \n" /*D*/ \ |
"movq %%mm0, %%mm3 \n" \ |
"punpcklwd %%mm1, %%mm0 \n" /*A*/ \ |
"punpckhwd %%mm7, %%mm3 \n" /*C*/ \ |
"punpcklwd %%mm2, %%mm7 \n" /*B*/ \ |
"punpckhwd %%mm2, %%mm1 \n" /*D*/ \ |
\ |
"movq %%mm0, " #dst0 " \n" \ |
"movq %%mm7, " #dst1 " \n" \ |
"movq %%mm3, " #dst2 " \n" \ |
"movq %%mm1, " #dst3 " \n" |
|
__asm__ volatile( |
"movd %2, %%mm4 \n" |
"movd %3, %%mm5 \n" |
"movd %4, %%mm6 \n" |
"packssdw %%mm4, %%mm4 \n" |
"packssdw %%mm5, %%mm5 \n" |
"packssdw %%mm6, %%mm6 \n" |
"packssdw %%mm4, %%mm4 \n" |
"packssdw %%mm5, %%mm5 \n" |
"packssdw %%mm6, %%mm6 \n" |
REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0)) |
REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0)) |
REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0)) |
REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0)) |
: : "r" (src), "r" (dst), "g" (threshold1+1), "g" (threshold1+5), "g" (threshold1-4) //FIXME maybe more accurate then needed? |
); |
dst[0] = (src[0] + 4) >> 3; |
} |
|
static void softthresh_mmx(int16_t dst[64], const int16_t src[64], |
int qp, const uint8_t *permutation) |
{ |
int bias = 0; //FIXME |
unsigned int threshold1; |
|
threshold1 = qp*((1<<4) - bias) - 1; |
|
#undef REQUANT_CORE |
#define REQUANT_CORE(dst0, dst1, dst2, dst3, src0, src1, src2, src3) \ |
"movq " #src0 ", %%mm0 \n" \ |
"movq " #src1 ", %%mm1 \n" \ |
"pxor %%mm6, %%mm6 \n" \ |
"pxor %%mm7, %%mm7 \n" \ |
"pcmpgtw %%mm0, %%mm6 \n" \ |
"pcmpgtw %%mm1, %%mm7 \n" \ |
"pxor %%mm6, %%mm0 \n" \ |
"pxor %%mm7, %%mm1 \n" \ |
"psubusw %%mm4, %%mm0 \n" \ |
"psubusw %%mm4, %%mm1 \n" \ |
"pxor %%mm6, %%mm0 \n" \ |
"pxor %%mm7, %%mm1 \n" \ |
"movq " #src2 ", %%mm2 \n" \ |
"movq " #src3 ", %%mm3 \n" \ |
"pxor %%mm6, %%mm6 \n" \ |
"pxor %%mm7, %%mm7 \n" \ |
"pcmpgtw %%mm2, %%mm6 \n" \ |
"pcmpgtw %%mm3, %%mm7 \n" \ |
"pxor %%mm6, %%mm2 \n" \ |
"pxor %%mm7, %%mm3 \n" \ |
"psubusw %%mm4, %%mm2 \n" \ |
"psubusw %%mm4, %%mm3 \n" \ |
"pxor %%mm6, %%mm2 \n" \ |
"pxor %%mm7, %%mm3 \n" \ |
\ |
"paddsw %%mm5, %%mm0 \n" \ |
"paddsw %%mm5, %%mm1 \n" \ |
"paddsw %%mm5, %%mm2 \n" \ |
"paddsw %%mm5, %%mm3 \n" \ |
"psraw $3, %%mm0 \n" \ |
"psraw $3, %%mm1 \n" \ |
"psraw $3, %%mm2 \n" \ |
"psraw $3, %%mm3 \n" \ |
\ |
"movq %%mm0, %%mm7 \n" \ |
"punpcklwd %%mm2, %%mm0 \n" /*A*/ \ |
"punpckhwd %%mm2, %%mm7 \n" /*C*/ \ |
"movq %%mm1, %%mm2 \n" \ |
"punpcklwd %%mm3, %%mm1 \n" /*B*/ \ |
"punpckhwd %%mm3, %%mm2 \n" /*D*/ \ |
"movq %%mm0, %%mm3 \n" \ |
"punpcklwd %%mm1, %%mm0 \n" /*A*/ \ |
"punpckhwd %%mm7, %%mm3 \n" /*C*/ \ |
"punpcklwd %%mm2, %%mm7 \n" /*B*/ \ |
"punpckhwd %%mm2, %%mm1 \n" /*D*/ \ |
\ |
"movq %%mm0, " #dst0 " \n" \ |
"movq %%mm7, " #dst1 " \n" \ |
"movq %%mm3, " #dst2 " \n" \ |
"movq %%mm1, " #dst3 " \n" |
|
__asm__ volatile( |
"movd %2, %%mm4 \n" |
"movd %3, %%mm5 \n" |
"packssdw %%mm4, %%mm4 \n" |
"packssdw %%mm5, %%mm5 \n" |
"packssdw %%mm4, %%mm4 \n" |
"packssdw %%mm5, %%mm5 \n" |
REQUANT_CORE( (%1), 8(%1), 16(%1), 24(%1), (%0), 8(%0), 64(%0), 72(%0)) |
REQUANT_CORE(32(%1), 40(%1), 48(%1), 56(%1),16(%0),24(%0), 48(%0), 56(%0)) |
REQUANT_CORE(64(%1), 72(%1), 80(%1), 88(%1),32(%0),40(%0), 96(%0),104(%0)) |
REQUANT_CORE(96(%1),104(%1),112(%1),120(%1),80(%0),88(%0),112(%0),120(%0)) |
: : "r" (src), "r" (dst), "g" (threshold1), "rm" (4) //FIXME maybe more accurate then needed? |
); |
|
dst[0] = (src[0] + 4) >> 3; |
} |
|
static void store_slice_mmx(uint8_t *dst, const int16_t *src, |
int dst_stride, int src_stride, |
int width, int height, int log2_scale, |
const uint8_t dither[8][8]) |
{ |
int y; |
|
for (y = 0; y < height; y++) { |
uint8_t *dst1 = dst; |
const int16_t *src1 = src; |
__asm__ volatile( |
"movq (%3), %%mm3 \n" |
"movq (%3), %%mm4 \n" |
"movd %4, %%mm2 \n" |
"pxor %%mm0, %%mm0 \n" |
"punpcklbw %%mm0, %%mm3 \n" |
"punpckhbw %%mm0, %%mm4 \n" |
"psraw %%mm2, %%mm3 \n" |
"psraw %%mm2, %%mm4 \n" |
"movd %5, %%mm2 \n" |
"1: \n" |
"movq (%0), %%mm0 \n" |
"movq 8(%0), %%mm1 \n" |
"paddw %%mm3, %%mm0 \n" |
"paddw %%mm4, %%mm1 \n" |
"psraw %%mm2, %%mm0 \n" |
"psraw %%mm2, %%mm1 \n" |
"packuswb %%mm1, %%mm0 \n" |
"movq %%mm0, (%1) \n" |
"add $16, %0 \n" |
"add $8, %1 \n" |
"cmp %2, %1 \n" |
" jb 1b \n" |
: "+r" (src1), "+r"(dst1) |
: "r"(dst + width), "r"(dither[y]), "g"(log2_scale), "g"(MAX_LEVEL - log2_scale) |
); |
src += src_stride; |
dst += dst_stride; |
} |
} |
|
#endif /* HAVE_MMX_INLINE */ |
|
av_cold void ff_spp_init_x86(SPPContext *s) |
{ |
#if HAVE_MMX_INLINE |
int cpu_flags = av_get_cpu_flags(); |
|
if (cpu_flags & AV_CPU_FLAG_MMX) { |
s->store_slice = store_slice_mmx; |
switch (s->mode) { |
case 0: s->requantize = hardthresh_mmx; break; |
case 1: s->requantize = softthresh_mmx; break; |
} |
} |
#endif |
} |