ffmpeg / libavfilter / libmpcodecs / vf_fspp.c @ dc8e1b75
History | View | Annotate | Download (71.3 KB)
| 1 |
/*
|
|---|---|
| 2 |
* Copyright (C) 2003 Michael Niedermayer <michaelni@gmx.at>
|
| 3 |
* Copyright (C) 2005 Nikolaj Poroshin <porosh3@psu.ru>
|
| 4 |
*
|
| 5 |
* This file is part of MPlayer.
|
| 6 |
*
|
| 7 |
* MPlayer is free software; you can redistribute it and/or modify
|
| 8 |
* it under the terms of the GNU General Public License as published by
|
| 9 |
* the Free Software Foundation; either version 2 of the License, or
|
| 10 |
* (at your option) any later version.
|
| 11 |
*
|
| 12 |
* MPlayer is distributed in the hope that it will be useful,
|
| 13 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
| 14 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
| 15 |
* GNU General Public License for more details.
|
| 16 |
*
|
| 17 |
* You should have received a copy of the GNU General Public License along
|
| 18 |
* with MPlayer; if not, write to the Free Software Foundation, Inc.,
|
| 19 |
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
| 20 |
*/
|
| 21 |
|
| 22 |
/*
|
| 23 |
* This implementation is based on an algorithm described in
|
| 24 |
* "Aria Nosratinia Embedded Post-Processing for
|
| 25 |
* Enhancement of Compressed Images (1999)"
|
| 26 |
* (http://citeseer.nj.nec.com/nosratinia99embedded.html)
|
| 27 |
* Futher, with splitting (i)dct into hor/ver passes, one of them can be
|
| 28 |
* performed once per block, not pixel. This allows for much better speed.
|
| 29 |
*/
|
| 30 |
|
| 31 |
/*
|
| 32 |
Heavily optimized version of SPP filter by Nikolaj
|
| 33 |
*/
|
| 34 |
|
| 35 |
#include <stdio.h> |
| 36 |
#include <stdlib.h> |
| 37 |
#include <string.h> |
| 38 |
#include <inttypes.h> |
| 39 |
#include <math.h> |
| 40 |
|
| 41 |
#include "config.h" |
| 42 |
|
| 43 |
#include "mp_msg.h" |
| 44 |
#include "cpudetect.h" |
| 45 |
#include "img_format.h" |
| 46 |
#include "mp_image.h" |
| 47 |
#include "vf.h" |
| 48 |
#include "vd_ffmpeg.h" |
| 49 |
#include "libvo/fastmemcpy.h" |
| 50 |
|
| 51 |
#include "libavutil/internal.h" |
| 52 |
#include "libavutil/intreadwrite.h" |
| 53 |
#include "libavutil/mem.h" |
| 54 |
#include "libavcodec/avcodec.h" |
| 55 |
#include "libavcodec/dsputil.h" |
| 56 |
|
| 57 |
#undef free
|
| 58 |
#undef malloc
|
| 59 |
|
| 60 |
//===========================================================================//
|
| 61 |
#define BLOCKSZ 12 |
| 62 |
|
| 63 |
static const short custom_threshold[64]= |
| 64 |
// values (296) can't be too high
|
| 65 |
// -it causes too big quant dependence
|
| 66 |
// or maybe overflow(check), which results in some flashing
|
| 67 |
{ 71, 296, 295, 237, 71, 40, 38, 19,
|
| 68 |
245, 193, 185, 121, 102, 73, 53, 27, |
| 69 |
158, 129, 141, 107, 97, 73, 50, 26, |
| 70 |
102, 116, 109, 98, 82, 66, 45, 23, |
| 71 |
71, 94, 95, 81, 70, 56, 38, 20, |
| 72 |
56, 77, 74, 66, 56, 44, 30, 15, |
| 73 |
38, 53, 50, 45, 38, 30, 21, 11, |
| 74 |
20, 27, 26, 23, 20, 15, 11, 5 |
| 75 |
}; |
| 76 |
|
| 77 |
static const uint8_t __attribute__((aligned(32))) dither[8][8]={ |
| 78 |
{ 0, 48, 12, 60, 3, 51, 15, 63, },
|
| 79 |
{ 32, 16, 44, 28, 35, 19, 47, 31, },
|
| 80 |
{ 8, 56, 4, 52, 11, 59, 7, 55, },
|
| 81 |
{ 40, 24, 36, 20, 43, 27, 39, 23, },
|
| 82 |
{ 2, 50, 14, 62, 1, 49, 13, 61, },
|
| 83 |
{ 34, 18, 46, 30, 33, 17, 45, 29, },
|
| 84 |
{ 10, 58, 6, 54, 9, 57, 5, 53, },
|
| 85 |
{ 42, 26, 38, 22, 41, 25, 37, 21, },
|
| 86 |
}; |
| 87 |
|
| 88 |
struct vf_priv_s { //align 16 ! |
| 89 |
uint64_t threshold_mtx_noq[8*2]; |
| 90 |
uint64_t threshold_mtx[8*2];//used in both C & MMX (& later SSE2) versions |
| 91 |
|
| 92 |
int log2_count;
|
| 93 |
int temp_stride;
|
| 94 |
int qp;
|
| 95 |
int mpeg2;
|
| 96 |
int prev_q;
|
| 97 |
uint8_t *src; |
| 98 |
int16_t *temp; |
| 99 |
int bframes;
|
| 100 |
char *non_b_qp;
|
| 101 |
}; |
| 102 |
|
| 103 |
|
| 104 |
#if !HAVE_MMX
|
| 105 |
|
| 106 |
//This func reads from 1 slice, 1 and clears 0 & 1
|
| 107 |
static void store_slice_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
| 108 |
{int y, x;
|
| 109 |
#define STORE(pos) \
|
| 110 |
temp= (src[x + pos] + (d[pos]>>log2_scale))>>(6-log2_scale); \
|
| 111 |
src[x + pos]=src[x + pos - 8*src_stride]=0; \ |
| 112 |
if(temp & 0x100) temp= ~(temp>>31); \ |
| 113 |
dst[x + pos]= temp; |
| 114 |
|
| 115 |
for(y=0; y<height; y++){ |
| 116 |
const uint8_t *d= dither[y];
|
| 117 |
for(x=0; x<width; x+=8){ |
| 118 |
int temp;
|
| 119 |
STORE(0);
|
| 120 |
STORE(1);
|
| 121 |
STORE(2);
|
| 122 |
STORE(3);
|
| 123 |
STORE(4);
|
| 124 |
STORE(5);
|
| 125 |
STORE(6);
|
| 126 |
STORE(7);
|
| 127 |
} |
| 128 |
src+=src_stride; |
| 129 |
dst+=dst_stride; |
| 130 |
} |
| 131 |
} |
| 132 |
|
| 133 |
//This func reads from 2 slices, 0 & 2 and clears 2-nd
|
| 134 |
static void store_slice2_c(uint8_t *dst, int16_t *src, int dst_stride, int src_stride, int width, int height, int log2_scale) |
| 135 |
{int y, x;
|
| 136 |
#define STORE2(pos) \
|
| 137 |
temp= (src[x + pos] + src[x + pos + 16*src_stride] + (d[pos]>>log2_scale))>>(6-log2_scale); \ |
| 138 |
src[x + pos + 16*src_stride]=0; \ |
| 139 |
if(temp & 0x100) temp= ~(temp>>31); \ |
| 140 |
dst[x + pos]= temp; |
| 141 |
|
| 142 |
for(y=0; y<height; y++){ |
| 143 |
const uint8_t *d= dither[y];
|
| 144 |
for(x=0; x<width; x+=8){ |
| 145 |
int temp;
|
| 146 |
STORE2(0);
|
| 147 |
STORE2(1);
|
| 148 |
STORE2(2);
|
| 149 |
STORE2(3);
|
| 150 |
STORE2(4);
|
| 151 |
STORE2(5);
|
| 152 |
STORE2(6);
|
| 153 |
STORE2(7);
|
| 154 |
} |
| 155 |
src+=src_stride; |
| 156 |
dst+=dst_stride; |
| 157 |
} |
| 158 |
} |
| 159 |
|
| 160 |
static void mul_thrmat_c(struct vf_priv_s *p,int q) |
| 161 |
{
|
| 162 |
int a;
|
| 163 |
for(a=0;a<64;a++) |
| 164 |
((short*)p->threshold_mtx)[a]=q * ((short*)p->threshold_mtx_noq)[a];//ints faster in C |
| 165 |
} |
| 166 |
|
| 167 |
static void column_fidct_c(int16_t* thr_adr, DCTELEM *data, DCTELEM *output, int cnt); |
| 168 |
static void row_idct_c(DCTELEM* workspace, |
| 169 |
int16_t* output_adr, int output_stride, int cnt); |
| 170 |
static void row_fdct_c(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt); |
| 171 |
|
| 172 |
//this is rather ugly, but there is no need for function pointers
|
| 173 |
#define store_slice_s store_slice_c
|
| 174 |
#define store_slice2_s store_slice2_c
|
| 175 |
#define mul_thrmat_s mul_thrmat_c
|
| 176 |
#define column_fidct_s column_fidct_c
|
| 177 |
#define row_idct_s row_idct_c
|
| 178 |
#define row_fdct_s row_fdct_c
|
| 179 |
|
| 180 |
#else /* HAVE_MMX */ |
| 181 |
|
| 182 |
//This func reads from 1 slice, 1 and clears 0 & 1
|
| 183 |
static void store_slice_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
| 184 |
{
|
| 185 |
const uint8_t *od=&dither[0][0]; |
| 186 |
const uint8_t *end=&dither[height][0]; |
| 187 |
width = (width+7)&~7; |
| 188 |
dst_stride-=width; |
| 189 |
//src_stride=(src_stride-width)*2;
|
| 190 |
__asm__ volatile(
|
| 191 |
"mov %5, %%"REG_d" \n\t" |
| 192 |
"mov %6, %%"REG_S" \n\t" |
| 193 |
"mov %7, %%"REG_D" \n\t" |
| 194 |
"mov %1, %%"REG_a" \n\t" |
| 195 |
"movd %%"REG_d", %%mm5 \n\t" |
| 196 |
"xor $-1, %%"REG_d" \n\t" |
| 197 |
"mov %%"REG_a", %%"REG_c" \n\t" |
| 198 |
"add $7, %%"REG_d" \n\t" |
| 199 |
"neg %%"REG_a" \n\t" |
| 200 |
"sub %0, %%"REG_c" \n\t" |
| 201 |
"add %%"REG_c", %%"REG_c" \n\t" |
| 202 |
"movd %%"REG_d", %%mm2 \n\t" |
| 203 |
"mov %%"REG_c", %1 \n\t" |
| 204 |
"mov %2, %%"REG_d" \n\t" |
| 205 |
"shl $4, %%"REG_a" \n\t" |
| 206 |
|
| 207 |
"2: \n\t"
|
| 208 |
"movq (%%"REG_d"), %%mm3 \n\t" |
| 209 |
"movq %%mm3, %%mm4 \n\t"
|
| 210 |
"pxor %%mm7, %%mm7 \n\t"
|
| 211 |
"punpcklbw %%mm7, %%mm3 \n\t"
|
| 212 |
"punpckhbw %%mm7, %%mm4 \n\t"
|
| 213 |
"mov %0, %%"REG_c" \n\t" |
| 214 |
"psraw %%mm5, %%mm3 \n\t"
|
| 215 |
"psraw %%mm5, %%mm4 \n\t"
|
| 216 |
"1: \n\t"
|
| 217 |
"movq %%mm7, (%%"REG_S",%%"REG_a",) \n\t" |
| 218 |
"movq (%%"REG_S"), %%mm0 \n\t" |
| 219 |
"movq 8(%%"REG_S"), %%mm1 \n\t" |
| 220 |
|
| 221 |
"movq %%mm7, 8(%%"REG_S",%%"REG_a",) \n\t" |
| 222 |
"paddw %%mm3, %%mm0 \n\t"
|
| 223 |
"paddw %%mm4, %%mm1 \n\t"
|
| 224 |
|
| 225 |
"movq %%mm7, (%%"REG_S") \n\t" |
| 226 |
"psraw %%mm2, %%mm0 \n\t"
|
| 227 |
"psraw %%mm2, %%mm1 \n\t"
|
| 228 |
|
| 229 |
"movq %%mm7, 8(%%"REG_S") \n\t" |
| 230 |
"packuswb %%mm1, %%mm0 \n\t"
|
| 231 |
"add $16, %%"REG_S" \n\t" |
| 232 |
|
| 233 |
"movq %%mm0, (%%"REG_D") \n\t" |
| 234 |
"add $8, %%"REG_D" \n\t" |
| 235 |
"sub $8, %%"REG_c" \n\t" |
| 236 |
"jg 1b \n\t"
|
| 237 |
"add %1, %%"REG_S" \n\t" |
| 238 |
"add $8, %%"REG_d" \n\t" |
| 239 |
"add %3, %%"REG_D" \n\t" |
| 240 |
"cmp %4, %%"REG_d" \n\t" |
| 241 |
"jl 2b \n\t"
|
| 242 |
|
| 243 |
: |
| 244 |
: "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
| 245 |
"m" (log2_scale), "m" (src), "m" (dst) //input |
| 246 |
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_S, "%"REG_D |
| 247 |
); |
| 248 |
} |
| 249 |
|
| 250 |
//This func reads from 2 slices, 0 & 2 and clears 2-nd
|
| 251 |
static void store_slice2_mmx(uint8_t *dst, int16_t *src, long dst_stride, long src_stride, long width, long height, long log2_scale) |
| 252 |
{
|
| 253 |
const uint8_t *od=&dither[0][0]; |
| 254 |
const uint8_t *end=&dither[height][0]; |
| 255 |
width = (width+7)&~7; |
| 256 |
dst_stride-=width; |
| 257 |
//src_stride=(src_stride-width)*2;
|
| 258 |
__asm__ volatile(
|
| 259 |
"mov %5, %%"REG_d" \n\t" |
| 260 |
"mov %6, %%"REG_S" \n\t" |
| 261 |
"mov %7, %%"REG_D" \n\t" |
| 262 |
"mov %1, %%"REG_a" \n\t" |
| 263 |
"movd %%"REG_d", %%mm5 \n\t" |
| 264 |
"xor $-1, %%"REG_d" \n\t" |
| 265 |
"mov %%"REG_a", %%"REG_c" \n\t" |
| 266 |
"add $7, %%"REG_d" \n\t" |
| 267 |
"sub %0, %%"REG_c" \n\t" |
| 268 |
"add %%"REG_c", %%"REG_c" \n\t" |
| 269 |
"movd %%"REG_d", %%mm2 \n\t" |
| 270 |
"mov %%"REG_c", %1 \n\t" |
| 271 |
"mov %2, %%"REG_d" \n\t" |
| 272 |
"shl $5, %%"REG_a" \n\t" |
| 273 |
|
| 274 |
"2: \n\t"
|
| 275 |
"movq (%%"REG_d"), %%mm3 \n\t" |
| 276 |
"movq %%mm3, %%mm4 \n\t"
|
| 277 |
"pxor %%mm7, %%mm7 \n\t"
|
| 278 |
"punpcklbw %%mm7, %%mm3 \n\t"
|
| 279 |
"punpckhbw %%mm7, %%mm4 \n\t"
|
| 280 |
"mov %0, %%"REG_c" \n\t" |
| 281 |
"psraw %%mm5, %%mm3 \n\t"
|
| 282 |
"psraw %%mm5, %%mm4 \n\t"
|
| 283 |
"1: \n\t"
|
| 284 |
"movq (%%"REG_S"), %%mm0 \n\t" |
| 285 |
"movq 8(%%"REG_S"), %%mm1 \n\t" |
| 286 |
"paddw %%mm3, %%mm0 \n\t"
|
| 287 |
|
| 288 |
"paddw (%%"REG_S",%%"REG_a",), %%mm0 \n\t" |
| 289 |
"paddw %%mm4, %%mm1 \n\t"
|
| 290 |
"movq 8(%%"REG_S",%%"REG_a",), %%mm6 \n\t" |
| 291 |
|
| 292 |
"movq %%mm7, (%%"REG_S",%%"REG_a",) \n\t" |
| 293 |
"psraw %%mm2, %%mm0 \n\t"
|
| 294 |
"paddw %%mm6, %%mm1 \n\t"
|
| 295 |
|
| 296 |
"movq %%mm7, 8(%%"REG_S",%%"REG_a",) \n\t" |
| 297 |
"psraw %%mm2, %%mm1 \n\t"
|
| 298 |
"packuswb %%mm1, %%mm0 \n\t"
|
| 299 |
|
| 300 |
"movq %%mm0, (%%"REG_D") \n\t" |
| 301 |
"add $16, %%"REG_S" \n\t" |
| 302 |
"add $8, %%"REG_D" \n\t" |
| 303 |
"sub $8, %%"REG_c" \n\t" |
| 304 |
"jg 1b \n\t"
|
| 305 |
"add %1, %%"REG_S" \n\t" |
| 306 |
"add $8, %%"REG_d" \n\t" |
| 307 |
"add %3, %%"REG_D" \n\t" |
| 308 |
"cmp %4, %%"REG_d" \n\t" |
| 309 |
"jl 2b \n\t"
|
| 310 |
|
| 311 |
: |
| 312 |
: "m" (width), "m" (src_stride), "erm" (od), "m" (dst_stride), "erm" (end), |
| 313 |
"m" (log2_scale), "m" (src), "m" (dst) //input |
| 314 |
: "%"REG_a, "%"REG_c, "%"REG_d, "%"REG_D, "%"REG_S |
| 315 |
); |
| 316 |
} |
| 317 |
|
| 318 |
static void mul_thrmat_mmx(struct vf_priv_s *p, int q) |
| 319 |
{
|
| 320 |
uint64_t *adr=&p->threshold_mtx_noq[0];
|
| 321 |
__asm__ volatile(
|
| 322 |
"movd %0, %%mm7 \n\t"
|
| 323 |
"add $8*8*2, %%"REG_D" \n\t" |
| 324 |
"movq 0*8(%%"REG_S"), %%mm0 \n\t" |
| 325 |
"punpcklwd %%mm7, %%mm7 \n\t"
|
| 326 |
"movq 1*8(%%"REG_S"), %%mm1 \n\t" |
| 327 |
"punpckldq %%mm7, %%mm7 \n\t"
|
| 328 |
"pmullw %%mm7, %%mm0 \n\t"
|
| 329 |
|
| 330 |
"movq 2*8(%%"REG_S"), %%mm2 \n\t" |
| 331 |
"pmullw %%mm7, %%mm1 \n\t"
|
| 332 |
|
| 333 |
"movq 3*8(%%"REG_S"), %%mm3 \n\t" |
| 334 |
"pmullw %%mm7, %%mm2 \n\t"
|
| 335 |
|
| 336 |
"movq %%mm0, 0*8(%%"REG_D") \n\t" |
| 337 |
"movq 4*8(%%"REG_S"), %%mm4 \n\t" |
| 338 |
"pmullw %%mm7, %%mm3 \n\t"
|
| 339 |
|
| 340 |
"movq %%mm1, 1*8(%%"REG_D") \n\t" |
| 341 |
"movq 5*8(%%"REG_S"), %%mm5 \n\t" |
| 342 |
"pmullw %%mm7, %%mm4 \n\t"
|
| 343 |
|
| 344 |
"movq %%mm2, 2*8(%%"REG_D") \n\t" |
| 345 |
"movq 6*8(%%"REG_S"), %%mm6 \n\t" |
| 346 |
"pmullw %%mm7, %%mm5 \n\t"
|
| 347 |
|
| 348 |
"movq %%mm3, 3*8(%%"REG_D") \n\t" |
| 349 |
"movq 7*8+0*8(%%"REG_S"), %%mm0 \n\t" |
| 350 |
"pmullw %%mm7, %%mm6 \n\t"
|
| 351 |
|
| 352 |
"movq %%mm4, 4*8(%%"REG_D") \n\t" |
| 353 |
"movq 7*8+1*8(%%"REG_S"), %%mm1 \n\t" |
| 354 |
"pmullw %%mm7, %%mm0 \n\t"
|
| 355 |
|
| 356 |
"movq %%mm5, 5*8(%%"REG_D") \n\t" |
| 357 |
"movq 7*8+2*8(%%"REG_S"), %%mm2 \n\t" |
| 358 |
"pmullw %%mm7, %%mm1 \n\t"
|
| 359 |
|
| 360 |
"movq %%mm6, 6*8(%%"REG_D") \n\t" |
| 361 |
"movq 7*8+3*8(%%"REG_S"), %%mm3 \n\t" |
| 362 |
"pmullw %%mm7, %%mm2 \n\t"
|
| 363 |
|
| 364 |
"movq %%mm0, 7*8+0*8(%%"REG_D") \n\t" |
| 365 |
"movq 7*8+4*8(%%"REG_S"), %%mm4 \n\t" |
| 366 |
"pmullw %%mm7, %%mm3 \n\t"
|
| 367 |
|
| 368 |
"movq %%mm1, 7*8+1*8(%%"REG_D") \n\t" |
| 369 |
"movq 7*8+5*8(%%"REG_S"), %%mm5 \n\t" |
| 370 |
"pmullw %%mm7, %%mm4 \n\t"
|
| 371 |
|
| 372 |
"movq %%mm2, 7*8+2*8(%%"REG_D") \n\t" |
| 373 |
"movq 7*8+6*8(%%"REG_S"), %%mm6 \n\t" |
| 374 |
"pmullw %%mm7, %%mm5 \n\t"
|
| 375 |
|
| 376 |
"movq %%mm3, 7*8+3*8(%%"REG_D") \n\t" |
| 377 |
"movq 14*8+0*8(%%"REG_S"), %%mm0 \n\t" |
| 378 |
"pmullw %%mm7, %%mm6 \n\t"
|
| 379 |
|
| 380 |
"movq %%mm4, 7*8+4*8(%%"REG_D") \n\t" |
| 381 |
"movq 14*8+1*8(%%"REG_S"), %%mm1 \n\t" |
| 382 |
"pmullw %%mm7, %%mm0 \n\t"
|
| 383 |
|
| 384 |
"movq %%mm5, 7*8+5*8(%%"REG_D") \n\t" |
| 385 |
"pmullw %%mm7, %%mm1 \n\t"
|
| 386 |
|
| 387 |
"movq %%mm6, 7*8+6*8(%%"REG_D") \n\t" |
| 388 |
"movq %%mm0, 14*8+0*8(%%"REG_D") \n\t" |
| 389 |
"movq %%mm1, 14*8+1*8(%%"REG_D") \n\t" |
| 390 |
|
| 391 |
: "+g" (q), "+S" (adr), "+D" (adr) |
| 392 |
: |
| 393 |
); |
| 394 |
} |
| 395 |
|
| 396 |
static void column_fidct_mmx(int16_t* thr_adr, DCTELEM *data, DCTELEM *output, int cnt); |
| 397 |
static void row_idct_mmx(DCTELEM* workspace, |
| 398 |
int16_t* output_adr, int output_stride, int cnt); |
| 399 |
static void row_fdct_mmx(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt); |
| 400 |
|
| 401 |
#define store_slice_s store_slice_mmx
|
| 402 |
#define store_slice2_s store_slice2_mmx
|
| 403 |
#define mul_thrmat_s mul_thrmat_mmx
|
| 404 |
#define column_fidct_s column_fidct_mmx
|
| 405 |
#define row_idct_s row_idct_mmx
|
| 406 |
#define row_fdct_s row_fdct_mmx
|
| 407 |
#endif // HAVE_MMX |
| 408 |
|
| 409 |
static void filter(struct vf_priv_s *p, uint8_t *dst, uint8_t *src, |
| 410 |
int dst_stride, int src_stride, |
| 411 |
int width, int height, |
| 412 |
uint8_t *qp_store, int qp_stride, int is_luma) |
| 413 |
{
|
| 414 |
int x, x0, y, es, qy, t;
|
| 415 |
const int stride= is_luma ? p->temp_stride : (width+16);//((width+16+15)&(~15)) |
| 416 |
const int step=6-p->log2_count; |
| 417 |
const int qps= 3 + is_luma; |
| 418 |
int32_t __attribute__((aligned(32))) block_align[4*8*BLOCKSZ+ 4*8*BLOCKSZ]; |
| 419 |
DCTELEM *block= (DCTELEM *)block_align; |
| 420 |
DCTELEM *block3=(DCTELEM *)(block_align+4*8*BLOCKSZ); |
| 421 |
|
| 422 |
memset(block3, 0, 4*8*BLOCKSZ); |
| 423 |
|
| 424 |
//p->src=src-src_stride*8-8;//!
|
| 425 |
if (!src || !dst) return; // HACK avoid crash for Y8 colourspace |
| 426 |
for(y=0; y<height; y++){ |
| 427 |
int index= 8 + 8*stride + y*stride; |
| 428 |
fast_memcpy(p->src + index, src + y*src_stride, width);//this line can be avoided by using DR & user fr.buffers
|
| 429 |
for(x=0; x<8; x++){ |
| 430 |
p->src[index - x - 1]= p->src[index + x ];
|
| 431 |
p->src[index + width + x ]= p->src[index + width - x - 1];
|
| 432 |
} |
| 433 |
} |
| 434 |
for(y=0; y<8; y++){ |
| 435 |
fast_memcpy(p->src + ( 7-y)*stride, p->src + ( y+8)*stride, stride); |
| 436 |
fast_memcpy(p->src + (height+8+y)*stride, p->src + (height-y+7)*stride, stride); |
| 437 |
} |
| 438 |
//FIXME (try edge emu)
|
| 439 |
|
| 440 |
for(y=8; y<24; y++) |
| 441 |
memset(p->temp+ 8 +y*stride, 0,width*sizeof(int16_t)); |
| 442 |
|
| 443 |
for(y=step; y<height+8; y+=step){ //step= 1,2 |
| 444 |
qy=y-4;
|
| 445 |
if (qy>height-1) qy=height-1; |
| 446 |
if (qy<0) qy=0; |
| 447 |
qy=(qy>>qps)*qp_stride; |
| 448 |
row_fdct_s(block, p->src + y*stride +2-(y&1), stride, 2); |
| 449 |
for(x0=0; x0<width+8-8*(BLOCKSZ-1); x0+=8*(BLOCKSZ-1)){ |
| 450 |
row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, 2*(BLOCKSZ-1)); |
| 451 |
if(p->qp)
|
| 452 |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+0*8, block3+0*8, 8*(BLOCKSZ-1)); //yes, this is a HOTSPOT |
| 453 |
else
|
| 454 |
for (x=0; x<8*(BLOCKSZ-1); x+=8) { |
| 455 |
t=x+x0-2; //correct t=x+x0-2-(y&1), but its the same |
| 456 |
if (t<0) t=0;//t always < width-2 |
| 457 |
t=qp_store[qy+(t>>qps)]; |
| 458 |
t=norm_qscale(t, p->mpeg2); |
| 459 |
if (t!=p->prev_q) p->prev_q=t, mul_thrmat_s(p, t);
|
| 460 |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block+x*8, block3+x*8, 8); //yes, this is a HOTSPOT |
| 461 |
} |
| 462 |
row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, 2*(BLOCKSZ-1)); |
| 463 |
memmove(block, block+(BLOCKSZ-1)*64, 8*8*sizeof(DCTELEM)); //cycling |
| 464 |
memmove(block3, block3+(BLOCKSZ-1)*64, 6*8*sizeof(DCTELEM)); |
| 465 |
} |
| 466 |
//
|
| 467 |
es=width+8-x0; // 8, ... |
| 468 |
if (es>8) |
| 469 |
row_fdct_s(block+8*8, p->src + y*stride+8+x0 +2-(y&1), stride, (es-4)>>2); |
| 470 |
column_fidct_s((int16_t*)(&p->threshold_mtx[0]), block, block3, es&(~1)); |
| 471 |
row_idct_s(block3+0*8, p->temp + (y&15)*stride+x0+2-(y&1), stride, es>>2); |
| 472 |
{const int y1=y-8+step;//l5-7 l4-6
|
| 473 |
if (!(y1&7) && y1) { |
| 474 |
if (y1&8) store_slice_s(dst + (y1-8)*dst_stride, p->temp+ 8 +8*stride, |
| 475 |
dst_stride, stride, width, 8, 5-p->log2_count); |
| 476 |
else store_slice2_s(dst + (y1-8)*dst_stride, p->temp+ 8 +0*stride, |
| 477 |
dst_stride, stride, width, 8, 5-p->log2_count); |
| 478 |
} } |
| 479 |
} |
| 480 |
|
| 481 |
if (y&7) { // == height & 7 |
| 482 |
if (y&8) store_slice_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +8*stride, |
| 483 |
dst_stride, stride, width, y&7, 5-p->log2_count); |
| 484 |
else store_slice2_s(dst + ((y-8)&~7)*dst_stride, p->temp+ 8 +0*stride, |
| 485 |
dst_stride, stride, width, y&7, 5-p->log2_count); |
| 486 |
} |
| 487 |
} |
| 488 |
|
| 489 |
static int config(struct vf_instance *vf, |
| 490 |
int width, int height, int d_width, int d_height, |
| 491 |
unsigned int flags, unsigned int outfmt) |
| 492 |
{
|
| 493 |
int h= (height+16+15)&(~15); |
| 494 |
|
| 495 |
vf->priv->temp_stride= (width+16+15)&(~15); |
| 496 |
vf->priv->temp= (int16_t*)av_mallocz(vf->priv->temp_stride*3*8*sizeof(int16_t)); |
| 497 |
//this can also be avoided, see above
|
| 498 |
vf->priv->src = (uint8_t*)av_malloc(vf->priv->temp_stride*h*sizeof(uint8_t));
|
| 499 |
|
| 500 |
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
|
| 501 |
} |
| 502 |
|
| 503 |
static void get_image(struct vf_instance *vf, mp_image_t *mpi) |
| 504 |
{
|
| 505 |
if(mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change |
| 506 |
// ok, we can do pp in-place (or pp disabled):
|
| 507 |
vf->dmpi=vf_get_image(vf->next,mpi->imgfmt, |
| 508 |
mpi->type, mpi->flags, mpi->width, mpi->height); |
| 509 |
mpi->planes[0]=vf->dmpi->planes[0]; |
| 510 |
mpi->stride[0]=vf->dmpi->stride[0]; |
| 511 |
mpi->width=vf->dmpi->width; |
| 512 |
if(mpi->flags&MP_IMGFLAG_PLANAR){
|
| 513 |
mpi->planes[1]=vf->dmpi->planes[1]; |
| 514 |
mpi->planes[2]=vf->dmpi->planes[2]; |
| 515 |
mpi->stride[1]=vf->dmpi->stride[1]; |
| 516 |
mpi->stride[2]=vf->dmpi->stride[2]; |
| 517 |
} |
| 518 |
mpi->flags|=MP_IMGFLAG_DIRECT; |
| 519 |
} |
| 520 |
|
| 521 |
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts) |
| 522 |
{
|
| 523 |
mp_image_t *dmpi; |
| 524 |
if(!(mpi->flags&MP_IMGFLAG_DIRECT)){
|
| 525 |
// no DR, so get a new image! hope we'll get DR buffer:
|
| 526 |
dmpi=vf_get_image(vf->next,mpi->imgfmt, |
| 527 |
MP_IMGTYPE_TEMP, |
| 528 |
MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE, |
| 529 |
mpi->width,mpi->height); |
| 530 |
vf_clone_mpi_attributes(dmpi, mpi); |
| 531 |
}else{
|
| 532 |
dmpi=vf->dmpi; |
| 533 |
} |
| 534 |
|
| 535 |
vf->priv->mpeg2= mpi->qscale_type; |
| 536 |
if(mpi->pict_type != 3 && mpi->qscale && !vf->priv->qp){ |
| 537 |
int w = mpi->qstride;
|
| 538 |
int h = (mpi->h + 15) >> 4; |
| 539 |
if (!w) {
|
| 540 |
w = (mpi->w + 15) >> 4; |
| 541 |
h = 1;
|
| 542 |
} |
| 543 |
if(!vf->priv->non_b_qp)
|
| 544 |
vf->priv->non_b_qp= malloc(w*h); |
| 545 |
fast_memcpy(vf->priv->non_b_qp, mpi->qscale, w*h); |
| 546 |
} |
| 547 |
if(vf->priv->log2_count || !(mpi->flags&MP_IMGFLAG_DIRECT)){
|
| 548 |
char *qp_tab= vf->priv->non_b_qp;
|
| 549 |
if(vf->priv->bframes || !qp_tab)
|
| 550 |
qp_tab= mpi->qscale; |
| 551 |
|
| 552 |
if(qp_tab || vf->priv->qp){
|
| 553 |
filter(vf->priv, dmpi->planes[0], mpi->planes[0], dmpi->stride[0], mpi->stride[0], |
| 554 |
mpi->w, mpi->h, qp_tab, mpi->qstride, 1);
|
| 555 |
filter(vf->priv, dmpi->planes[1], mpi->planes[1], dmpi->stride[1], mpi->stride[1], |
| 556 |
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
|
| 557 |
filter(vf->priv, dmpi->planes[2], mpi->planes[2], dmpi->stride[2], mpi->stride[2], |
| 558 |
mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, qp_tab, mpi->qstride, 0);
|
| 559 |
}else{
|
| 560 |
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h, dmpi->stride[0], mpi->stride[0]); |
| 561 |
memcpy_pic(dmpi->planes[1], mpi->planes[1], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[1], mpi->stride[1]); |
| 562 |
memcpy_pic(dmpi->planes[2], mpi->planes[2], mpi->w>>mpi->chroma_x_shift, mpi->h>>mpi->chroma_y_shift, dmpi->stride[2], mpi->stride[2]); |
| 563 |
} |
| 564 |
} |
| 565 |
|
| 566 |
#if HAVE_MMX
|
| 567 |
if(gCpuCaps.hasMMX) __asm__ volatile ("emms\n\t"); |
| 568 |
#endif
|
| 569 |
#if HAVE_MMX2
|
| 570 |
if(gCpuCaps.hasMMX2) __asm__ volatile ("sfence\n\t"); |
| 571 |
#endif
|
| 572 |
return vf_next_put_image(vf,dmpi, pts);
|
| 573 |
} |
| 574 |
|
| 575 |
static void uninit(struct vf_instance *vf) |
| 576 |
{
|
| 577 |
if(!vf->priv) return; |
| 578 |
|
| 579 |
av_free(vf->priv->temp); |
| 580 |
vf->priv->temp= NULL;
|
| 581 |
av_free(vf->priv->src); |
| 582 |
vf->priv->src= NULL;
|
| 583 |
//free(vf->priv->avctx);
|
| 584 |
//vf->priv->avctx= NULL;
|
| 585 |
free(vf->priv->non_b_qp); |
| 586 |
vf->priv->non_b_qp= NULL;
|
| 587 |
|
| 588 |
av_free(vf->priv); |
| 589 |
vf->priv=NULL;
|
| 590 |
} |
| 591 |
|
| 592 |
//===========================================================================//
|
| 593 |
|
| 594 |
static int query_format(struct vf_instance *vf, unsigned int fmt) |
| 595 |
{
|
| 596 |
switch(fmt){
|
| 597 |
case IMGFMT_YVU9:
|
| 598 |
case IMGFMT_IF09:
|
| 599 |
case IMGFMT_YV12:
|
| 600 |
case IMGFMT_I420:
|
| 601 |
case IMGFMT_IYUV:
|
| 602 |
case IMGFMT_CLPL:
|
| 603 |
case IMGFMT_Y800:
|
| 604 |
case IMGFMT_Y8:
|
| 605 |
case IMGFMT_444P:
|
| 606 |
case IMGFMT_422P:
|
| 607 |
case IMGFMT_411P:
|
| 608 |
return vf_next_query_format(vf,fmt);
|
| 609 |
} |
| 610 |
return 0; |
| 611 |
} |
| 612 |
|
| 613 |
static int control(struct vf_instance *vf, int request, void* data) |
| 614 |
{
|
| 615 |
switch(request){
|
| 616 |
case VFCTRL_QUERY_MAX_PP_LEVEL:
|
| 617 |
return 5; |
| 618 |
case VFCTRL_SET_PP_LEVEL:
|
| 619 |
vf->priv->log2_count= *((unsigned int*)data); |
| 620 |
if (vf->priv->log2_count < 4) vf->priv->log2_count=4; |
| 621 |
return CONTROL_TRUE;
|
| 622 |
} |
| 623 |
return vf_next_control(vf,request,data);
|
| 624 |
} |
| 625 |
|
| 626 |
static int vf_open(vf_instance_t *vf, char *args) |
| 627 |
{
|
| 628 |
int i=0, bias; |
| 629 |
int custom_threshold_m[64]; |
| 630 |
int log2c=-1; |
| 631 |
|
| 632 |
vf->config=config; |
| 633 |
vf->put_image=put_image; |
| 634 |
vf->get_image=get_image; |
| 635 |
vf->query_format=query_format; |
| 636 |
vf->uninit=uninit; |
| 637 |
vf->control= control; |
| 638 |
vf->priv=av_mallocz(sizeof(struct vf_priv_s));//assumes align 16 ! |
| 639 |
|
| 640 |
init_avcodec(); |
| 641 |
|
| 642 |
//vf->priv->avctx= avcodec_alloc_context();
|
| 643 |
//dsputil_init(&vf->priv->dsp, vf->priv->avctx);
|
| 644 |
|
| 645 |
vf->priv->log2_count= 4;
|
| 646 |
vf->priv->bframes = 0;
|
| 647 |
|
| 648 |
if (args) sscanf(args, "%d:%d:%d:%d", &log2c, &vf->priv->qp, &i, &vf->priv->bframes); |
| 649 |
|
| 650 |
if( log2c >=4 && log2c <=5 ) |
| 651 |
vf->priv->log2_count = log2c; |
| 652 |
else if( log2c >= 6 ) |
| 653 |
vf->priv->log2_count = 5;
|
| 654 |
|
| 655 |
if(vf->priv->qp < 0) |
| 656 |
vf->priv->qp = 0;
|
| 657 |
|
| 658 |
if (i < -15) i = -15; |
| 659 |
if (i > 32) i = 32; |
| 660 |
|
| 661 |
bias= (1<<4)+i; //regulable |
| 662 |
vf->priv->prev_q=0;
|
| 663 |
//
|
| 664 |
for(i=0;i<64;i++) //FIXME: tune custom_threshold[] and remove this ! |
| 665 |
custom_threshold_m[i]=(int)(custom_threshold[i]*(bias/71.)+ 0.5); |
| 666 |
for(i=0;i<8;i++){ |
| 667 |
vf->priv->threshold_mtx_noq[2*i]=(uint64_t)custom_threshold_m[i*8+2] |
| 668 |
|(((uint64_t)custom_threshold_m[i*8+6])<<16) |
| 669 |
|(((uint64_t)custom_threshold_m[i*8+0])<<32) |
| 670 |
|(((uint64_t)custom_threshold_m[i*8+4])<<48); |
| 671 |
vf->priv->threshold_mtx_noq[2*i+1]=(uint64_t)custom_threshold_m[i*8+5] |
| 672 |
|(((uint64_t)custom_threshold_m[i*8+3])<<16) |
| 673 |
|(((uint64_t)custom_threshold_m[i*8+1])<<32) |
| 674 |
|(((uint64_t)custom_threshold_m[i*8+7])<<48); |
| 675 |
} |
| 676 |
|
| 677 |
if (vf->priv->qp) vf->priv->prev_q=vf->priv->qp, mul_thrmat_s(vf->priv, vf->priv->qp);
|
| 678 |
|
| 679 |
return 1; |
| 680 |
} |
| 681 |
|
| 682 |
const vf_info_t vf_info_fspp = {
|
| 683 |
"fast simple postprocess",
|
| 684 |
"fspp",
|
| 685 |
"Michael Niedermayer, Nikolaj Poroshin",
|
| 686 |
"",
|
| 687 |
vf_open, |
| 688 |
NULL
|
| 689 |
}; |
| 690 |
|
| 691 |
//====================================================================
|
| 692 |
//Specific spp's dct, idct and threshold functions
|
| 693 |
//I'd prefer to have them in the separate file.
|
| 694 |
|
| 695 |
//#define MANGLE(a) #a
|
| 696 |
|
| 697 |
//typedef int16_t DCTELEM; //! only int16_t
|
| 698 |
|
| 699 |
#define DCTSIZE 8 |
| 700 |
#define DCTSIZE_S "8" |
| 701 |
|
| 702 |
#define FIX(x,s) ((int) ((x) * (1<<s) + 0.5)&0xffff) |
| 703 |
#define C64(x) ((uint64_t)((x)|(x)<<16))<<32 | (uint64_t)(x) | (uint64_t)(x)<<16 |
| 704 |
#define FIX64(x,s) C64(FIX(x,s))
|
| 705 |
|
| 706 |
#define MULTIPLY16H(x,k) (((x)*(k))>>16) |
| 707 |
#define THRESHOLD(r,x,t) if(((unsigned)((x)+t))>t*2) r=(x);else r=0; |
| 708 |
#define DESCALE(x,n) (((x) + (1 << ((n)-1))) >> n) |
| 709 |
|
| 710 |
#if HAVE_MMX
|
| 711 |
|
| 712 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_382683433)=FIX64(0.382683433, 14); |
| 713 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_541196100)=FIX64(0.541196100, 14); |
| 714 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_707106781)=FIX64(0.707106781, 14); |
| 715 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_306562965)=FIX64(1.306562965, 14); |
| 716 |
|
| 717 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562_A)=FIX64(1.414213562, 14); |
| 718 |
|
| 719 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_847759065)=FIX64(1.847759065, 13); |
| 720 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_2_613125930)=FIX64(-2.613125930, 13); //- |
| 721 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_414213562)=FIX64(1.414213562, 13); |
| 722 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_1_082392200)=FIX64(1.082392200, 13); |
| 723 |
//for t3,t5,t7 == 0 shortcut
|
| 724 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_847759065)=FIX64(0.847759065, 14); |
| 725 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_566454497)=FIX64(0.566454497, 14); |
| 726 |
DECLARE_ASM_CONST(8, uint64_t, MM_FIX_0_198912367)=FIX64(0.198912367, 14); |
| 727 |
|
| 728 |
DECLARE_ASM_CONST(8, uint64_t, MM_DESCALE_RND)=C64(4); |
| 729 |
DECLARE_ASM_CONST(8, uint64_t, MM_2)=C64(2); |
| 730 |
|
| 731 |
#else /* !HAVE_MMX */ |
| 732 |
|
| 733 |
typedef int32_t int_simd16_t;
|
| 734 |
static const int16_t FIX_0_382683433=FIX(0.382683433, 14); |
| 735 |
static const int16_t FIX_0_541196100=FIX(0.541196100, 14); |
| 736 |
static const int16_t FIX_0_707106781=FIX(0.707106781, 14); |
| 737 |
static const int16_t FIX_1_306562965=FIX(1.306562965, 14); |
| 738 |
static const int16_t FIX_1_414213562_A=FIX(1.414213562, 14); |
| 739 |
static const int16_t FIX_1_847759065=FIX(1.847759065, 13); |
| 740 |
static const int16_t FIX_2_613125930=FIX(-2.613125930, 13); //- |
| 741 |
static const int16_t FIX_1_414213562=FIX(1.414213562, 13); |
| 742 |
static const int16_t FIX_1_082392200=FIX(1.082392200, 13); |
| 743 |
|
| 744 |
#endif
|
| 745 |
|
| 746 |
#if !HAVE_MMX
|
| 747 |
|
| 748 |
static void column_fidct_c(int16_t* thr_adr, DCTELEM *data, DCTELEM *output, int cnt) |
| 749 |
{
|
| 750 |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 751 |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 752 |
int_simd16_t z1,z2,z3,z4,z5, z10, z11, z12, z13; |
| 753 |
int_simd16_t d0, d1, d2, d3, d4, d5, d6, d7; |
| 754 |
|
| 755 |
DCTELEM* dataptr; |
| 756 |
DCTELEM* wsptr; |
| 757 |
int16_t *threshold; |
| 758 |
int ctr;
|
| 759 |
|
| 760 |
dataptr = data; |
| 761 |
wsptr = output; |
| 762 |
|
| 763 |
for (; cnt > 0; cnt-=2) { //start positions |
| 764 |
threshold=(int16_t*)thr_adr;//threshold_mtx
|
| 765 |
for (ctr = DCTSIZE; ctr > 0; ctr--) { |
| 766 |
// Process columns from input, add to output.
|
| 767 |
tmp0 = dataptr[DCTSIZE*0] + dataptr[DCTSIZE*7]; |
| 768 |
tmp7 = dataptr[DCTSIZE*0] - dataptr[DCTSIZE*7]; |
| 769 |
|
| 770 |
tmp1 = dataptr[DCTSIZE*1] + dataptr[DCTSIZE*6]; |
| 771 |
tmp6 = dataptr[DCTSIZE*1] - dataptr[DCTSIZE*6]; |
| 772 |
|
| 773 |
tmp2 = dataptr[DCTSIZE*2] + dataptr[DCTSIZE*5]; |
| 774 |
tmp5 = dataptr[DCTSIZE*2] - dataptr[DCTSIZE*5]; |
| 775 |
|
| 776 |
tmp3 = dataptr[DCTSIZE*3] + dataptr[DCTSIZE*4]; |
| 777 |
tmp4 = dataptr[DCTSIZE*3] - dataptr[DCTSIZE*4]; |
| 778 |
|
| 779 |
// Even part of FDCT
|
| 780 |
|
| 781 |
tmp10 = tmp0 + tmp3; |
| 782 |
tmp13 = tmp0 - tmp3; |
| 783 |
tmp11 = tmp1 + tmp2; |
| 784 |
tmp12 = tmp1 - tmp2; |
| 785 |
|
| 786 |
d0 = tmp10 + tmp11; |
| 787 |
d4 = tmp10 - tmp11; |
| 788 |
|
| 789 |
z1 = MULTIPLY16H((tmp12 + tmp13) <<2, FIX_0_707106781);
|
| 790 |
d2 = tmp13 + z1; |
| 791 |
d6 = tmp13 - z1; |
| 792 |
|
| 793 |
// Even part of IDCT
|
| 794 |
|
| 795 |
THRESHOLD(tmp0, d0, threshold[0*8]); |
| 796 |
THRESHOLD(tmp1, d2, threshold[2*8]); |
| 797 |
THRESHOLD(tmp2, d4, threshold[4*8]); |
| 798 |
THRESHOLD(tmp3, d6, threshold[6*8]); |
| 799 |
tmp0+=2;
|
| 800 |
tmp10 = (tmp0 + tmp2)>>2;
|
| 801 |
tmp11 = (tmp0 - tmp2)>>2;
|
| 802 |
|
| 803 |
tmp13 = (tmp1 + tmp3)>>2; //+2 ! (psnr decides) |
| 804 |
tmp12 = MULTIPLY16H((tmp1 - tmp3), FIX_1_414213562_A) - tmp13; //<<2
|
| 805 |
|
| 806 |
tmp0 = tmp10 + tmp13; //->temps
|
| 807 |
tmp3 = tmp10 - tmp13; //->temps
|
| 808 |
tmp1 = tmp11 + tmp12; //->temps
|
| 809 |
tmp2 = tmp11 - tmp12; //->temps
|
| 810 |
|
| 811 |
// Odd part of FDCT
|
| 812 |
|
| 813 |
tmp10 = tmp4 + tmp5; |
| 814 |
tmp11 = tmp5 + tmp6; |
| 815 |
tmp12 = tmp6 + tmp7; |
| 816 |
|
| 817 |
z5 = MULTIPLY16H((tmp10 - tmp12)<<2, FIX_0_382683433);
|
| 818 |
z2 = MULTIPLY16H(tmp10 <<2, FIX_0_541196100) + z5;
|
| 819 |
z4 = MULTIPLY16H(tmp12 <<2, FIX_1_306562965) + z5;
|
| 820 |
z3 = MULTIPLY16H(tmp11 <<2, FIX_0_707106781);
|
| 821 |
|
| 822 |
z11 = tmp7 + z3; |
| 823 |
z13 = tmp7 - z3; |
| 824 |
|
| 825 |
d5 = z13 + z2; |
| 826 |
d3 = z13 - z2; |
| 827 |
d1 = z11 + z4; |
| 828 |
d7 = z11 - z4; |
| 829 |
|
| 830 |
// Odd part of IDCT
|
| 831 |
|
| 832 |
THRESHOLD(tmp4, d1, threshold[1*8]); |
| 833 |
THRESHOLD(tmp5, d3, threshold[3*8]); |
| 834 |
THRESHOLD(tmp6, d5, threshold[5*8]); |
| 835 |
THRESHOLD(tmp7, d7, threshold[7*8]); |
| 836 |
|
| 837 |
//Simd version uses here a shortcut for the tmp5,tmp6,tmp7 == 0
|
| 838 |
z13 = tmp6 + tmp5; |
| 839 |
z10 = (tmp6 - tmp5)<<1;
|
| 840 |
z11 = tmp4 + tmp7; |
| 841 |
z12 = (tmp4 - tmp7)<<1;
|
| 842 |
|
| 843 |
tmp7 = (z11 + z13)>>2; //+2 ! |
| 844 |
tmp11 = MULTIPLY16H((z11 - z13)<<1, FIX_1_414213562);
|
| 845 |
z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
| 846 |
tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
| 847 |
tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - !!
|
| 848 |
|
| 849 |
tmp6 = tmp12 - tmp7; |
| 850 |
tmp5 = tmp11 - tmp6; |
| 851 |
tmp4 = tmp10 + tmp5; |
| 852 |
|
| 853 |
wsptr[DCTSIZE*0]+= (tmp0 + tmp7);
|
| 854 |
wsptr[DCTSIZE*1]+= (tmp1 + tmp6);
|
| 855 |
wsptr[DCTSIZE*2]+= (tmp2 + tmp5);
|
| 856 |
wsptr[DCTSIZE*3]+= (tmp3 - tmp4);
|
| 857 |
wsptr[DCTSIZE*4]+= (tmp3 + tmp4);
|
| 858 |
wsptr[DCTSIZE*5]+= (tmp2 - tmp5);
|
| 859 |
wsptr[DCTSIZE*6]= (tmp1 - tmp6);
|
| 860 |
wsptr[DCTSIZE*7]= (tmp0 - tmp7);
|
| 861 |
//
|
| 862 |
dataptr++; //next column
|
| 863 |
wsptr++; |
| 864 |
threshold++; |
| 865 |
} |
| 866 |
dataptr+=8; //skip each second start pos |
| 867 |
wsptr +=8;
|
| 868 |
} |
| 869 |
} |
| 870 |
|
| 871 |
#else /* HAVE_MMX */ |
| 872 |
|
| 873 |
static void column_fidct_mmx(int16_t* thr_adr, DCTELEM *data, DCTELEM *output, int cnt) |
| 874 |
{
|
| 875 |
uint64_t __attribute__((aligned(8))) temps[4]; |
| 876 |
__asm__ volatile(
|
| 877 |
ASMALIGN(4)
|
| 878 |
"1: \n\t"
|
| 879 |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
| 880 |
//
|
| 881 |
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
| 882 |
"movq %%mm1, %%mm0 \n\t"
|
| 883 |
|
| 884 |
"paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
| 885 |
"movq %%mm7, %%mm3 \n\t"
|
| 886 |
|
| 887 |
"paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
| 888 |
"movq %%mm1, %%mm5 \n\t"
|
| 889 |
|
| 890 |
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
| 891 |
"psubw %%mm7, %%mm1 \n\t" //t13 |
| 892 |
|
| 893 |
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 894 |
"movq %%mm6, %%mm4 \n\t"
|
| 895 |
|
| 896 |
"paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
| 897 |
"paddw %%mm7, %%mm5 \n\t" //t10 |
| 898 |
|
| 899 |
"paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
| 900 |
"movq %%mm6, %%mm7 \n\t"
|
| 901 |
|
| 902 |
"paddw %%mm2, %%mm6 \n\t" //t11 |
| 903 |
"psubw %%mm2, %%mm7 \n\t" //t12 |
| 904 |
|
| 905 |
"movq %%mm5, %%mm2 \n\t"
|
| 906 |
"paddw %%mm6, %%mm5 \n\t" //d0 |
| 907 |
// i0 t13 t12 i3 i1 d0 - d4
|
| 908 |
"psubw %%mm6, %%mm2 \n\t" //d4 |
| 909 |
"paddw %%mm1, %%mm7 \n\t"
|
| 910 |
|
| 911 |
"movq 4*16(%%"REG_d"), %%mm6 \n\t" |
| 912 |
"psllw $2, %%mm7 \n\t"
|
| 913 |
|
| 914 |
"psubw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 915 |
"psubw %%mm6, %%mm2 \n\t"
|
| 916 |
|
| 917 |
"paddusw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 918 |
"paddusw %%mm6, %%mm2 \n\t"
|
| 919 |
|
| 920 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm7 \n\t" |
| 921 |
//
|
| 922 |
"paddw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 923 |
"paddw %%mm6, %%mm2 \n\t"
|
| 924 |
|
| 925 |
"psubusw 0*16(%%"REG_d"), %%mm5 \n\t" |
| 926 |
"psubusw %%mm6, %%mm2 \n\t"
|
| 927 |
|
| 928 |
//This func is totally compute-bound, operates at huge speed. So, DC shortcut
|
| 929 |
// at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3).
|
| 930 |
//However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare.
|
| 931 |
"paddw "MANGLE(MM_2)", %%mm5 \n\t" |
| 932 |
"movq %%mm2, %%mm6 \n\t"
|
| 933 |
|
| 934 |
"paddw %%mm5, %%mm2 \n\t"
|
| 935 |
"psubw %%mm6, %%mm5 \n\t"
|
| 936 |
|
| 937 |
"movq %%mm1, %%mm6 \n\t"
|
| 938 |
"paddw %%mm7, %%mm1 \n\t" //d2 |
| 939 |
|
| 940 |
"psubw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 941 |
"psubw %%mm7, %%mm6 \n\t" //d6 |
| 942 |
|
| 943 |
"movq 6*16(%%"REG_d"), %%mm7 \n\t" |
| 944 |
"psraw $2, %%mm5 \n\t"
|
| 945 |
|
| 946 |
"paddusw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 947 |
"psubw %%mm7, %%mm6 \n\t"
|
| 948 |
// t7 d2 /t11 t4 t6 - d6 /t10
|
| 949 |
|
| 950 |
"paddw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 951 |
"paddusw %%mm7, %%mm6 \n\t"
|
| 952 |
|
| 953 |
"psubusw 2*16(%%"REG_d"), %%mm1 \n\t" |
| 954 |
"paddw %%mm7, %%mm6 \n\t"
|
| 955 |
|
| 956 |
"psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
| 957 |
"psubusw %%mm7, %%mm6 \n\t"
|
| 958 |
|
| 959 |
//movq [edi+"DCTSIZE_S"*2*2], mm1
|
| 960 |
//movq [edi+"DCTSIZE_S"*6*2], mm6
|
| 961 |
"movq %%mm1, %%mm7 \n\t"
|
| 962 |
"psraw $2, %%mm2 \n\t"
|
| 963 |
|
| 964 |
"psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
| 965 |
"psubw %%mm6, %%mm1 \n\t"
|
| 966 |
|
| 967 |
"psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
| 968 |
"paddw %%mm7, %%mm6 \n\t" //'t13 |
| 969 |
|
| 970 |
"psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
| 971 |
"movq %%mm2, %%mm7 \n\t"
|
| 972 |
|
| 973 |
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
| 974 |
"paddw %%mm6, %%mm2 \n\t" //'t0 |
| 975 |
|
| 976 |
"movq %%mm2, 0*8+%3 \n\t" //! |
| 977 |
"psubw %%mm6, %%mm7 \n\t" //'t3 |
| 978 |
|
| 979 |
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 980 |
"psubw %%mm6, %%mm1 \n\t" //'t12 |
| 981 |
|
| 982 |
"psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
| 983 |
"movq %%mm5, %%mm6 \n\t"
|
| 984 |
|
| 985 |
"movq %%mm7, 3*8+%3 \n\t"
|
| 986 |
"paddw %%mm2, %%mm3 \n\t" //t10 |
| 987 |
|
| 988 |
"paddw %%mm4, %%mm2 \n\t" //t11 |
| 989 |
"paddw %%mm0, %%mm4 \n\t" //t12 |
| 990 |
|
| 991 |
"movq %%mm3, %%mm7 \n\t"
|
| 992 |
"psubw %%mm4, %%mm3 \n\t"
|
| 993 |
|
| 994 |
"psllw $2, %%mm3 \n\t"
|
| 995 |
"psllw $2, %%mm7 \n\t" //opt for P6 |
| 996 |
|
| 997 |
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
| 998 |
"psllw $2, %%mm4 \n\t"
|
| 999 |
|
| 1000 |
"pmulhw "MANGLE(MM_FIX_0_541196100)", %%mm7 \n\t" |
| 1001 |
"psllw $2, %%mm2 \n\t"
|
| 1002 |
|
| 1003 |
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
| 1004 |
"paddw %%mm1, %%mm5 \n\t" //'t1 |
| 1005 |
|
| 1006 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm2 \n\t" |
| 1007 |
"psubw %%mm1, %%mm6 \n\t" //'t2 |
| 1008 |
// t7 't12 't11 t4 t6 - 't13 't10 ---
|
| 1009 |
|
| 1010 |
"paddw %%mm3, %%mm7 \n\t" //z2 |
| 1011 |
|
| 1012 |
"movq %%mm5, 1*8+%3 \n\t"
|
| 1013 |
"paddw %%mm3, %%mm4 \n\t" //z4 |
| 1014 |
|
| 1015 |
"movq 3*16(%%"REG_d"), %%mm3 \n\t" |
| 1016 |
"movq %%mm0, %%mm1 \n\t"
|
| 1017 |
|
| 1018 |
"movq %%mm6, 2*8+%3 \n\t"
|
| 1019 |
"psubw %%mm2, %%mm1 \n\t" //z13 |
| 1020 |
|
| 1021 |
//===
|
| 1022 |
"paddw %%mm2, %%mm0 \n\t" //z11 |
| 1023 |
"movq %%mm1, %%mm5 \n\t"
|
| 1024 |
|
| 1025 |
"movq 5*16(%%"REG_d"), %%mm2 \n\t" |
| 1026 |
"psubw %%mm7, %%mm1 \n\t" //d3 |
| 1027 |
|
| 1028 |
"paddw %%mm7, %%mm5 \n\t" //d5 |
| 1029 |
"psubw %%mm3, %%mm1 \n\t"
|
| 1030 |
|
| 1031 |
"movq 1*16(%%"REG_d"), %%mm7 \n\t" |
| 1032 |
"psubw %%mm2, %%mm5 \n\t"
|
| 1033 |
|
| 1034 |
"movq %%mm0, %%mm6 \n\t"
|
| 1035 |
"paddw %%mm4, %%mm0 \n\t" //d1 |
| 1036 |
|
| 1037 |
"paddusw %%mm3, %%mm1 \n\t"
|
| 1038 |
"psubw %%mm4, %%mm6 \n\t" //d7 |
| 1039 |
|
| 1040 |
// d1 d3 - - - d5 d7 -
|
| 1041 |
"movq 7*16(%%"REG_d"), %%mm4 \n\t" |
| 1042 |
"psubw %%mm7, %%mm0 \n\t"
|
| 1043 |
|
| 1044 |
"psubw %%mm4, %%mm6 \n\t"
|
| 1045 |
"paddusw %%mm2, %%mm5 \n\t"
|
| 1046 |
|
| 1047 |
"paddusw %%mm4, %%mm6 \n\t"
|
| 1048 |
"paddw %%mm3, %%mm1 \n\t"
|
| 1049 |
|
| 1050 |
"paddw %%mm2, %%mm5 \n\t"
|
| 1051 |
"paddw %%mm4, %%mm6 \n\t"
|
| 1052 |
|
| 1053 |
"psubusw %%mm3, %%mm1 \n\t"
|
| 1054 |
"psubusw %%mm2, %%mm5 \n\t"
|
| 1055 |
|
| 1056 |
"psubusw %%mm4, %%mm6 \n\t"
|
| 1057 |
"movq %%mm1, %%mm4 \n\t"
|
| 1058 |
|
| 1059 |
"por %%mm5, %%mm4 \n\t"
|
| 1060 |
"paddusw %%mm7, %%mm0 \n\t"
|
| 1061 |
|
| 1062 |
"por %%mm6, %%mm4 \n\t"
|
| 1063 |
"paddw %%mm7, %%mm0 \n\t"
|
| 1064 |
|
| 1065 |
"packssdw %%mm4, %%mm4 \n\t"
|
| 1066 |
"psubusw %%mm7, %%mm0 \n\t"
|
| 1067 |
|
| 1068 |
"movd %%mm4, %%"REG_a" \n\t" |
| 1069 |
"or %%"REG_a", %%"REG_a" \n\t" |
| 1070 |
"jnz 2f \n\t"
|
| 1071 |
//movq [edi+"DCTSIZE_S"*3*2], mm1
|
| 1072 |
//movq [edi+"DCTSIZE_S"*5*2], mm5
|
| 1073 |
//movq [edi+"DCTSIZE_S"*1*2], mm0
|
| 1074 |
//movq [edi+"DCTSIZE_S"*7*2], mm6
|
| 1075 |
// t4 t5 - - - t6 t7 -
|
| 1076 |
//--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0
|
| 1077 |
//Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile
|
| 1078 |
"movq 0*8+%3, %%mm4 \n\t"
|
| 1079 |
"movq %%mm0, %%mm1 \n\t"
|
| 1080 |
|
| 1081 |
"pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
| 1082 |
"movq %%mm1, %%mm2 \n\t"
|
| 1083 |
|
| 1084 |
"movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
| 1085 |
"movq %%mm2, %%mm3 \n\t"
|
| 1086 |
|
| 1087 |
"pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
| 1088 |
"paddw %%mm4, %%mm5 \n\t"
|
| 1089 |
|
| 1090 |
"movq 1*8+%3, %%mm6 \n\t"
|
| 1091 |
//paddw mm3, MM_2
|
| 1092 |
"psraw $2, %%mm3 \n\t" //tmp7 |
| 1093 |
|
| 1094 |
"pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
| 1095 |
"psubw %%mm3, %%mm4 \n\t"
|
| 1096 |
|
| 1097 |
"movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
| 1098 |
"paddw %%mm3, %%mm5 \n\t"
|
| 1099 |
|
| 1100 |
"movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1101 |
"paddw %%mm6, %%mm7 \n\t"
|
| 1102 |
|
| 1103 |
"movq 2*8+%3, %%mm3 \n\t"
|
| 1104 |
"psubw %%mm0, %%mm6 \n\t"
|
| 1105 |
|
| 1106 |
"movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
| 1107 |
"paddw %%mm0, %%mm7 \n\t"
|
| 1108 |
|
| 1109 |
"movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1110 |
"paddw %%mm3, %%mm4 \n\t"
|
| 1111 |
|
| 1112 |
"movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1113 |
"psubw %%mm1, %%mm3 \n\t"
|
| 1114 |
|
| 1115 |
"movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
| 1116 |
"paddw %%mm1, %%mm4 \n\t"
|
| 1117 |
|
| 1118 |
"movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
| 1119 |
"paddw %%mm3, %%mm5 \n\t"
|
| 1120 |
|
| 1121 |
"movq 3*8+%3, %%mm0 \n\t"
|
| 1122 |
"add $8, %%"REG_S" \n\t" |
| 1123 |
|
| 1124 |
"movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1125 |
"paddw %%mm0, %%mm6 \n\t"
|
| 1126 |
|
| 1127 |
"movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1128 |
"psubw %%mm2, %%mm0 \n\t"
|
| 1129 |
|
| 1130 |
"movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
| 1131 |
"paddw %%mm2, %%mm6 \n\t"
|
| 1132 |
|
| 1133 |
"movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1134 |
"paddw %%mm0, %%mm7 \n\t"
|
| 1135 |
|
| 1136 |
"movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1137 |
|
| 1138 |
"movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1139 |
"add $8, %%"REG_D" \n\t" |
| 1140 |
"jmp 4f \n\t"
|
| 1141 |
|
| 1142 |
"2: \n\t"
|
| 1143 |
//--- non DC2
|
| 1144 |
//psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1)
|
| 1145 |
//psraw mm5, 2
|
| 1146 |
//psraw mm0, 2
|
| 1147 |
//psraw mm6, 2
|
| 1148 |
"movq %%mm5, %%mm3 \n\t"
|
| 1149 |
"psubw %%mm1, %%mm5 \n\t"
|
| 1150 |
|
| 1151 |
"psllw $1, %%mm5 \n\t" //'z10 |
| 1152 |
"paddw %%mm1, %%mm3 \n\t" //'z13 |
| 1153 |
|
| 1154 |
"movq %%mm0, %%mm2 \n\t"
|
| 1155 |
"psubw %%mm6, %%mm0 \n\t"
|
| 1156 |
|
| 1157 |
"movq %%mm5, %%mm1 \n\t"
|
| 1158 |
"psllw $1, %%mm0 \n\t" //'z12 |
| 1159 |
|
| 1160 |
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
| 1161 |
"paddw %%mm0, %%mm5 \n\t"
|
| 1162 |
|
| 1163 |
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
| 1164 |
"paddw %%mm6, %%mm2 \n\t" //'z11 |
| 1165 |
|
| 1166 |
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
| 1167 |
"movq %%mm2, %%mm7 \n\t"
|
| 1168 |
|
| 1169 |
//---
|
| 1170 |
"movq 0*8+%3, %%mm4 \n\t"
|
| 1171 |
"psubw %%mm3, %%mm2 \n\t"
|
| 1172 |
|
| 1173 |
"psllw $1, %%mm2 \n\t"
|
| 1174 |
"paddw %%mm3, %%mm7 \n\t" //'t7 |
| 1175 |
|
| 1176 |
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
| 1177 |
"movq %%mm4, %%mm6 \n\t"
|
| 1178 |
//paddw mm7, MM_2
|
| 1179 |
"psraw $2, %%mm7 \n\t"
|
| 1180 |
|
| 1181 |
"paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
| 1182 |
"psubw %%mm7, %%mm6 \n\t"
|
| 1183 |
|
| 1184 |
"movq 1*8+%3, %%mm3 \n\t"
|
| 1185 |
"paddw %%mm7, %%mm4 \n\t"
|
| 1186 |
|
| 1187 |
"movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1188 |
"paddw %%mm5, %%mm1 \n\t" //'t12 |
| 1189 |
|
| 1190 |
"movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1191 |
"psubw %%mm7, %%mm1 \n\t" //'t6 |
| 1192 |
|
| 1193 |
"movq 2*8+%3, %%mm7 \n\t"
|
| 1194 |
"psubw %%mm5, %%mm0 \n\t" //'t10 |
| 1195 |
|
| 1196 |
"movq 3*8+%3, %%mm6 \n\t"
|
| 1197 |
"movq %%mm3, %%mm5 \n\t"
|
| 1198 |
|
| 1199 |
"paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
| 1200 |
"psubw %%mm1, %%mm5 \n\t"
|
| 1201 |
|
| 1202 |
"psubw %%mm1, %%mm2 \n\t" //'t5 |
| 1203 |
"paddw %%mm1, %%mm3 \n\t"
|
| 1204 |
|
| 1205 |
"movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1206 |
"movq %%mm7, %%mm4 \n\t"
|
| 1207 |
|
| 1208 |
"paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
| 1209 |
"psubw %%mm2, %%mm4 \n\t"
|
| 1210 |
|
| 1211 |
"paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
| 1212 |
"paddw %%mm2, %%mm7 \n\t"
|
| 1213 |
|
| 1214 |
"movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1215 |
"paddw %%mm2, %%mm0 \n\t" //'t4 |
| 1216 |
|
| 1217 |
// 't4 't6 't5 - - - - 't7
|
| 1218 |
"movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1219 |
"movq %%mm6, %%mm1 \n\t"
|
| 1220 |
|
| 1221 |
"paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
| 1222 |
"psubw %%mm0, %%mm1 \n\t"
|
| 1223 |
|
| 1224 |
"paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
| 1225 |
"paddw %%mm0, %%mm6 \n\t"
|
| 1226 |
|
| 1227 |
"movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1228 |
"add $8, %%"REG_S" \n\t" |
| 1229 |
|
| 1230 |
"movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1231 |
|
| 1232 |
"movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1233 |
"add $8, %%"REG_D" \n\t" |
| 1234 |
|
| 1235 |
"4: \n\t"
|
| 1236 |
//=part 2 (the same)===========================================================
|
| 1237 |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm1 \n\t" |
| 1238 |
//
|
| 1239 |
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm7 \n\t" |
| 1240 |
"movq %%mm1, %%mm0 \n\t"
|
| 1241 |
|
| 1242 |
"paddw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm1 \n\t" //t0 |
| 1243 |
"movq %%mm7, %%mm3 \n\t"
|
| 1244 |
|
| 1245 |
"paddw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm7 \n\t" //t3 |
| 1246 |
"movq %%mm1, %%mm5 \n\t"
|
| 1247 |
|
| 1248 |
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm6 \n\t" |
| 1249 |
"psubw %%mm7, %%mm1 \n\t" //t13 |
| 1250 |
|
| 1251 |
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1252 |
"movq %%mm6, %%mm4 \n\t"
|
| 1253 |
|
| 1254 |
"paddw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm6 \n\t" //t1 |
| 1255 |
"paddw %%mm7, %%mm5 \n\t" //t10 |
| 1256 |
|
| 1257 |
"paddw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t2 |
| 1258 |
"movq %%mm6, %%mm7 \n\t"
|
| 1259 |
|
| 1260 |
"paddw %%mm2, %%mm6 \n\t" //t11 |
| 1261 |
"psubw %%mm2, %%mm7 \n\t" //t12 |
| 1262 |
|
| 1263 |
"movq %%mm5, %%mm2 \n\t"
|
| 1264 |
"paddw %%mm6, %%mm5 \n\t" //d0 |
| 1265 |
// i0 t13 t12 i3 i1 d0 - d4
|
| 1266 |
"psubw %%mm6, %%mm2 \n\t" //d4 |
| 1267 |
"paddw %%mm1, %%mm7 \n\t"
|
| 1268 |
|
| 1269 |
"movq 1*8+4*16(%%"REG_d"), %%mm6 \n\t" |
| 1270 |
"psllw $2, %%mm7 \n\t"
|
| 1271 |
|
| 1272 |
"psubw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1273 |
"psubw %%mm6, %%mm2 \n\t"
|
| 1274 |
|
| 1275 |
"paddusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1276 |
"paddusw %%mm6, %%mm2 \n\t"
|
| 1277 |
|
| 1278 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm7 \n\t" |
| 1279 |
//
|
| 1280 |
"paddw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1281 |
"paddw %%mm6, %%mm2 \n\t"
|
| 1282 |
|
| 1283 |
"psubusw 1*8+0*16(%%"REG_d"), %%mm5 \n\t" |
| 1284 |
"psubusw %%mm6, %%mm2 \n\t"
|
| 1285 |
|
| 1286 |
//This func is totally compute-bound, operates at huge speed. So, DC shortcut
|
| 1287 |
// at this place isn't worthwhile due to BTB miss penalty (checked on Pent. 3).
|
| 1288 |
//However, typical numbers: nondc - 29%%, dc - 46%%, zero - 25%%. All <> 0 case is very rare.
|
| 1289 |
"paddw "MANGLE(MM_2)", %%mm5 \n\t" |
| 1290 |
"movq %%mm2, %%mm6 \n\t"
|
| 1291 |
|
| 1292 |
"paddw %%mm5, %%mm2 \n\t"
|
| 1293 |
"psubw %%mm6, %%mm5 \n\t"
|
| 1294 |
|
| 1295 |
"movq %%mm1, %%mm6 \n\t"
|
| 1296 |
"paddw %%mm7, %%mm1 \n\t" //d2 |
| 1297 |
|
| 1298 |
"psubw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1299 |
"psubw %%mm7, %%mm6 \n\t" //d6 |
| 1300 |
|
| 1301 |
"movq 1*8+6*16(%%"REG_d"), %%mm7 \n\t" |
| 1302 |
"psraw $2, %%mm5 \n\t"
|
| 1303 |
|
| 1304 |
"paddusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1305 |
"psubw %%mm7, %%mm6 \n\t"
|
| 1306 |
// t7 d2 /t11 t4 t6 - d6 /t10
|
| 1307 |
|
| 1308 |
"paddw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1309 |
"paddusw %%mm7, %%mm6 \n\t"
|
| 1310 |
|
| 1311 |
"psubusw 1*8+2*16(%%"REG_d"), %%mm1 \n\t" |
| 1312 |
"paddw %%mm7, %%mm6 \n\t"
|
| 1313 |
|
| 1314 |
"psubw "DCTSIZE_S"*4*2(%%"REG_S"), %%mm3 \n\t" |
| 1315 |
"psubusw %%mm7, %%mm6 \n\t"
|
| 1316 |
|
| 1317 |
//movq [edi+"DCTSIZE_S"*2*2], mm1
|
| 1318 |
//movq [edi+"DCTSIZE_S"*6*2], mm6
|
| 1319 |
"movq %%mm1, %%mm7 \n\t"
|
| 1320 |
"psraw $2, %%mm2 \n\t"
|
| 1321 |
|
| 1322 |
"psubw "DCTSIZE_S"*6*2(%%"REG_S"), %%mm4 \n\t" |
| 1323 |
"psubw %%mm6, %%mm1 \n\t"
|
| 1324 |
|
| 1325 |
"psubw "DCTSIZE_S"*7*2(%%"REG_S"), %%mm0 \n\t" |
| 1326 |
"paddw %%mm7, %%mm6 \n\t" //'t13 |
| 1327 |
|
| 1328 |
"psraw $2, %%mm6 \n\t" //paddw mm6, MM_2 !! --- |
| 1329 |
"movq %%mm2, %%mm7 \n\t"
|
| 1330 |
|
| 1331 |
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm1 \n\t" |
| 1332 |
"paddw %%mm6, %%mm2 \n\t" //'t0 |
| 1333 |
|
| 1334 |
"movq %%mm2, 0*8+%3 \n\t" //! |
| 1335 |
"psubw %%mm6, %%mm7 \n\t" //'t3 |
| 1336 |
|
| 1337 |
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1338 |
"psubw %%mm6, %%mm1 \n\t" //'t12 |
| 1339 |
|
| 1340 |
"psubw "DCTSIZE_S"*5*2(%%"REG_S"), %%mm2 \n\t" //t5 |
| 1341 |
"movq %%mm5, %%mm6 \n\t"
|
| 1342 |
|
| 1343 |
"movq %%mm7, 3*8+%3 \n\t"
|
| 1344 |
"paddw %%mm2, %%mm3 \n\t" //t10 |
| 1345 |
|
| 1346 |
"paddw %%mm4, %%mm2 \n\t" //t11 |
| 1347 |
"paddw %%mm0, %%mm4 \n\t" //t12 |
| 1348 |
|
| 1349 |
"movq %%mm3, %%mm7 \n\t"
|
| 1350 |
"psubw %%mm4, %%mm3 \n\t"
|
| 1351 |
|
| 1352 |
"psllw $2, %%mm3 \n\t"
|
| 1353 |
"psllw $2, %%mm7 \n\t" //opt for P6 |
| 1354 |
|
| 1355 |
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" |
| 1356 |
"psllw $2, %%mm4 \n\t"
|
| 1357 |
|
| 1358 |
"pmulhw "MANGLE(MM_FIX_0_541196100)", %%mm7 \n\t" |
| 1359 |
"psllw $2, %%mm2 \n\t"
|
| 1360 |
|
| 1361 |
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm4 \n\t" |
| 1362 |
"paddw %%mm1, %%mm5 \n\t" //'t1 |
| 1363 |
|
| 1364 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm2 \n\t" |
| 1365 |
"psubw %%mm1, %%mm6 \n\t" //'t2 |
| 1366 |
// t7 't12 't11 t4 t6 - 't13 't10 ---
|
| 1367 |
|
| 1368 |
"paddw %%mm3, %%mm7 \n\t" //z2 |
| 1369 |
|
| 1370 |
"movq %%mm5, 1*8+%3 \n\t"
|
| 1371 |
"paddw %%mm3, %%mm4 \n\t" //z4 |
| 1372 |
|
| 1373 |
"movq 1*8+3*16(%%"REG_d"), %%mm3 \n\t" |
| 1374 |
"movq %%mm0, %%mm1 \n\t"
|
| 1375 |
|
| 1376 |
"movq %%mm6, 2*8+%3 \n\t"
|
| 1377 |
"psubw %%mm2, %%mm1 \n\t" //z13 |
| 1378 |
|
| 1379 |
//===
|
| 1380 |
"paddw %%mm2, %%mm0 \n\t" //z11 |
| 1381 |
"movq %%mm1, %%mm5 \n\t"
|
| 1382 |
|
| 1383 |
"movq 1*8+5*16(%%"REG_d"), %%mm2 \n\t" |
| 1384 |
"psubw %%mm7, %%mm1 \n\t" //d3 |
| 1385 |
|
| 1386 |
"paddw %%mm7, %%mm5 \n\t" //d5 |
| 1387 |
"psubw %%mm3, %%mm1 \n\t"
|
| 1388 |
|
| 1389 |
"movq 1*8+1*16(%%"REG_d"), %%mm7 \n\t" |
| 1390 |
"psubw %%mm2, %%mm5 \n\t"
|
| 1391 |
|
| 1392 |
"movq %%mm0, %%mm6 \n\t"
|
| 1393 |
"paddw %%mm4, %%mm0 \n\t" //d1 |
| 1394 |
|
| 1395 |
"paddusw %%mm3, %%mm1 \n\t"
|
| 1396 |
"psubw %%mm4, %%mm6 \n\t" //d7 |
| 1397 |
|
| 1398 |
// d1 d3 - - - d5 d7 -
|
| 1399 |
"movq 1*8+7*16(%%"REG_d"), %%mm4 \n\t" |
| 1400 |
"psubw %%mm7, %%mm0 \n\t"
|
| 1401 |
|
| 1402 |
"psubw %%mm4, %%mm6 \n\t"
|
| 1403 |
"paddusw %%mm2, %%mm5 \n\t"
|
| 1404 |
|
| 1405 |
"paddusw %%mm4, %%mm6 \n\t"
|
| 1406 |
"paddw %%mm3, %%mm1 \n\t"
|
| 1407 |
|
| 1408 |
"paddw %%mm2, %%mm5 \n\t"
|
| 1409 |
"paddw %%mm4, %%mm6 \n\t"
|
| 1410 |
|
| 1411 |
"psubusw %%mm3, %%mm1 \n\t"
|
| 1412 |
"psubusw %%mm2, %%mm5 \n\t"
|
| 1413 |
|
| 1414 |
"psubusw %%mm4, %%mm6 \n\t"
|
| 1415 |
"movq %%mm1, %%mm4 \n\t"
|
| 1416 |
|
| 1417 |
"por %%mm5, %%mm4 \n\t"
|
| 1418 |
"paddusw %%mm7, %%mm0 \n\t"
|
| 1419 |
|
| 1420 |
"por %%mm6, %%mm4 \n\t"
|
| 1421 |
"paddw %%mm7, %%mm0 \n\t"
|
| 1422 |
|
| 1423 |
"packssdw %%mm4, %%mm4 \n\t"
|
| 1424 |
"psubusw %%mm7, %%mm0 \n\t"
|
| 1425 |
|
| 1426 |
"movd %%mm4, %%"REG_a" \n\t" |
| 1427 |
"or %%"REG_a", %%"REG_a" \n\t" |
| 1428 |
"jnz 3f \n\t"
|
| 1429 |
//movq [edi+"DCTSIZE_S"*3*2], mm1
|
| 1430 |
//movq [edi+"DCTSIZE_S"*5*2], mm5
|
| 1431 |
//movq [edi+"DCTSIZE_S"*1*2], mm0
|
| 1432 |
//movq [edi+"DCTSIZE_S"*7*2], mm6
|
| 1433 |
// t4 t5 - - - t6 t7 -
|
| 1434 |
//--- t4 (mm0) may be <>0; mm1, mm5, mm6 == 0
|
| 1435 |
//Typical numbers: nondc - 19%%, dc - 26%%, zero - 55%%. zero case alone isn't worthwhile
|
| 1436 |
"movq 0*8+%3, %%mm4 \n\t"
|
| 1437 |
"movq %%mm0, %%mm1 \n\t"
|
| 1438 |
|
| 1439 |
"pmulhw "MANGLE(MM_FIX_0_847759065)", %%mm0 \n\t" //tmp6 |
| 1440 |
"movq %%mm1, %%mm2 \n\t"
|
| 1441 |
|
| 1442 |
"movq "DCTSIZE_S"*0*2(%%"REG_D"), %%mm5 \n\t" |
| 1443 |
"movq %%mm2, %%mm3 \n\t"
|
| 1444 |
|
| 1445 |
"pmulhw "MANGLE(MM_FIX_0_566454497)", %%mm1 \n\t" //tmp5 |
| 1446 |
"paddw %%mm4, %%mm5 \n\t"
|
| 1447 |
|
| 1448 |
"movq 1*8+%3, %%mm6 \n\t"
|
| 1449 |
//paddw mm3, MM_2
|
| 1450 |
"psraw $2, %%mm3 \n\t" //tmp7 |
| 1451 |
|
| 1452 |
"pmulhw "MANGLE(MM_FIX_0_198912367)", %%mm2 \n\t" //-tmp4 |
| 1453 |
"psubw %%mm3, %%mm4 \n\t"
|
| 1454 |
|
| 1455 |
"movq "DCTSIZE_S"*1*2(%%"REG_D"), %%mm7 \n\t" |
| 1456 |
"paddw %%mm3, %%mm5 \n\t"
|
| 1457 |
|
| 1458 |
"movq %%mm4, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1459 |
"paddw %%mm6, %%mm7 \n\t"
|
| 1460 |
|
| 1461 |
"movq 2*8+%3, %%mm3 \n\t"
|
| 1462 |
"psubw %%mm0, %%mm6 \n\t"
|
| 1463 |
|
| 1464 |
"movq "DCTSIZE_S"*2*2(%%"REG_D"), %%mm4 \n\t" |
| 1465 |
"paddw %%mm0, %%mm7 \n\t"
|
| 1466 |
|
| 1467 |
"movq %%mm5, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1468 |
"paddw %%mm3, %%mm4 \n\t"
|
| 1469 |
|
| 1470 |
"movq %%mm6, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1471 |
"psubw %%mm1, %%mm3 \n\t"
|
| 1472 |
|
| 1473 |
"movq "DCTSIZE_S"*5*2(%%"REG_D"), %%mm5 \n\t" |
| 1474 |
"paddw %%mm1, %%mm4 \n\t"
|
| 1475 |
|
| 1476 |
"movq "DCTSIZE_S"*3*2(%%"REG_D"), %%mm6 \n\t" |
| 1477 |
"paddw %%mm3, %%mm5 \n\t"
|
| 1478 |
|
| 1479 |
"movq 3*8+%3, %%mm0 \n\t"
|
| 1480 |
"add $24, %%"REG_S" \n\t" |
| 1481 |
|
| 1482 |
"movq %%mm7, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1483 |
"paddw %%mm0, %%mm6 \n\t"
|
| 1484 |
|
| 1485 |
"movq %%mm4, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1486 |
"psubw %%mm2, %%mm0 \n\t"
|
| 1487 |
|
| 1488 |
"movq "DCTSIZE_S"*4*2(%%"REG_D"), %%mm7 \n\t" |
| 1489 |
"paddw %%mm2, %%mm6 \n\t"
|
| 1490 |
|
| 1491 |
"movq %%mm5, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1492 |
"paddw %%mm0, %%mm7 \n\t"
|
| 1493 |
|
| 1494 |
"movq %%mm6, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1495 |
|
| 1496 |
"movq %%mm7, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1497 |
"add $24, %%"REG_D" \n\t" |
| 1498 |
"sub $2, %%"REG_c" \n\t" |
| 1499 |
"jnz 1b \n\t"
|
| 1500 |
"jmp 5f \n\t"
|
| 1501 |
|
| 1502 |
"3: \n\t"
|
| 1503 |
//--- non DC2
|
| 1504 |
//psraw mm1, 2 w/o it -> offset. thr1, thr1, thr1 (actually thr1, thr1, thr1-1)
|
| 1505 |
//psraw mm5, 2
|
| 1506 |
//psraw mm0, 2
|
| 1507 |
//psraw mm6, 2
|
| 1508 |
"movq %%mm5, %%mm3 \n\t"
|
| 1509 |
"psubw %%mm1, %%mm5 \n\t"
|
| 1510 |
|
| 1511 |
"psllw $1, %%mm5 \n\t" //'z10 |
| 1512 |
"paddw %%mm1, %%mm3 \n\t" //'z13 |
| 1513 |
|
| 1514 |
"movq %%mm0, %%mm2 \n\t"
|
| 1515 |
"psubw %%mm6, %%mm0 \n\t"
|
| 1516 |
|
| 1517 |
"movq %%mm5, %%mm1 \n\t"
|
| 1518 |
"psllw $1, %%mm0 \n\t" //'z12 |
| 1519 |
|
| 1520 |
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm1 \n\t" //- |
| 1521 |
"paddw %%mm0, %%mm5 \n\t"
|
| 1522 |
|
| 1523 |
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm5 \n\t" //'z5 |
| 1524 |
"paddw %%mm6, %%mm2 \n\t" //'z11 |
| 1525 |
|
| 1526 |
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm0 \n\t" |
| 1527 |
"movq %%mm2, %%mm7 \n\t"
|
| 1528 |
|
| 1529 |
//---
|
| 1530 |
"movq 0*8+%3, %%mm4 \n\t"
|
| 1531 |
"psubw %%mm3, %%mm2 \n\t"
|
| 1532 |
|
| 1533 |
"psllw $1, %%mm2 \n\t"
|
| 1534 |
"paddw %%mm3, %%mm7 \n\t" //'t7 |
| 1535 |
|
| 1536 |
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //'t11 |
| 1537 |
"movq %%mm4, %%mm6 \n\t"
|
| 1538 |
//paddw mm7, MM_2
|
| 1539 |
"psraw $2, %%mm7 \n\t"
|
| 1540 |
|
| 1541 |
"paddw "DCTSIZE_S"*0*2(%%"REG_D"), %%mm4 \n\t" |
| 1542 |
"psubw %%mm7, %%mm6 \n\t"
|
| 1543 |
|
| 1544 |
"movq 1*8+%3, %%mm3 \n\t"
|
| 1545 |
"paddw %%mm7, %%mm4 \n\t"
|
| 1546 |
|
| 1547 |
"movq %%mm6, "DCTSIZE_S"*7*2(%%"REG_D") \n\t" |
| 1548 |
"paddw %%mm5, %%mm1 \n\t" //'t12 |
| 1549 |
|
| 1550 |
"movq %%mm4, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 1551 |
"psubw %%mm7, %%mm1 \n\t" //'t6 |
| 1552 |
|
| 1553 |
"movq 2*8+%3, %%mm7 \n\t"
|
| 1554 |
"psubw %%mm5, %%mm0 \n\t" //'t10 |
| 1555 |
|
| 1556 |
"movq 3*8+%3, %%mm6 \n\t"
|
| 1557 |
"movq %%mm3, %%mm5 \n\t"
|
| 1558 |
|
| 1559 |
"paddw "DCTSIZE_S"*1*2(%%"REG_D"), %%mm3 \n\t" |
| 1560 |
"psubw %%mm1, %%mm5 \n\t"
|
| 1561 |
|
| 1562 |
"psubw %%mm1, %%mm2 \n\t" //'t5 |
| 1563 |
"paddw %%mm1, %%mm3 \n\t"
|
| 1564 |
|
| 1565 |
"movq %%mm5, "DCTSIZE_S"*6*2(%%"REG_D") \n\t" |
| 1566 |
"movq %%mm7, %%mm4 \n\t"
|
| 1567 |
|
| 1568 |
"paddw "DCTSIZE_S"*2*2(%%"REG_D"), %%mm7 \n\t" |
| 1569 |
"psubw %%mm2, %%mm4 \n\t"
|
| 1570 |
|
| 1571 |
"paddw "DCTSIZE_S"*5*2(%%"REG_D"), %%mm4 \n\t" |
| 1572 |
"paddw %%mm2, %%mm7 \n\t"
|
| 1573 |
|
| 1574 |
"movq %%mm3, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 1575 |
"paddw %%mm2, %%mm0 \n\t" //'t4 |
| 1576 |
|
| 1577 |
// 't4 't6 't5 - - - - 't7
|
| 1578 |
"movq %%mm7, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 1579 |
"movq %%mm6, %%mm1 \n\t"
|
| 1580 |
|
| 1581 |
"paddw "DCTSIZE_S"*4*2(%%"REG_D"), %%mm6 \n\t" |
| 1582 |
"psubw %%mm0, %%mm1 \n\t"
|
| 1583 |
|
| 1584 |
"paddw "DCTSIZE_S"*3*2(%%"REG_D"), %%mm1 \n\t" |
| 1585 |
"paddw %%mm0, %%mm6 \n\t"
|
| 1586 |
|
| 1587 |
"movq %%mm4, "DCTSIZE_S"*5*2(%%"REG_D") \n\t" |
| 1588 |
"add $24, %%"REG_S" \n\t" |
| 1589 |
|
| 1590 |
"movq %%mm6, "DCTSIZE_S"*4*2(%%"REG_D") \n\t" |
| 1591 |
|
| 1592 |
"movq %%mm1, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 1593 |
"add $24, %%"REG_D" \n\t" |
| 1594 |
"sub $2, %%"REG_c" \n\t" |
| 1595 |
"jnz 1b \n\t"
|
| 1596 |
"5: \n\t"
|
| 1597 |
|
| 1598 |
: "+S"(data), "+D"(output), "+c"(cnt), "=o"(temps) |
| 1599 |
: "d"(thr_adr)
|
| 1600 |
: "%"REG_a
|
| 1601 |
); |
| 1602 |
} |
| 1603 |
|
| 1604 |
#endif // HAVE_MMX |
| 1605 |
|
| 1606 |
#if !HAVE_MMX
|
| 1607 |
|
| 1608 |
static void row_idct_c(DCTELEM* workspace, |
| 1609 |
int16_t* output_adr, int output_stride, int cnt) |
| 1610 |
{
|
| 1611 |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 1612 |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 1613 |
int_simd16_t z5, z10, z11, z12, z13; |
| 1614 |
int16_t* outptr; |
| 1615 |
DCTELEM* wsptr; |
| 1616 |
|
| 1617 |
cnt*=4;
|
| 1618 |
wsptr = workspace; |
| 1619 |
outptr = output_adr; |
| 1620 |
for (; cnt > 0; cnt--) { |
| 1621 |
// Even part
|
| 1622 |
//Simd version reads 4x4 block and transposes it
|
| 1623 |
tmp10 = ( wsptr[2] + wsptr[3]); |
| 1624 |
tmp11 = ( wsptr[2] - wsptr[3]); |
| 1625 |
|
| 1626 |
tmp13 = ( wsptr[0] + wsptr[1]); |
| 1627 |
tmp12 = (MULTIPLY16H( wsptr[0] - wsptr[1], FIX_1_414213562_A)<<2) - tmp13;//this shift order to avoid overflow |
| 1628 |
|
| 1629 |
tmp0 = tmp10 + tmp13; //->temps
|
| 1630 |
tmp3 = tmp10 - tmp13; //->temps
|
| 1631 |
tmp1 = tmp11 + tmp12; |
| 1632 |
tmp2 = tmp11 - tmp12; |
| 1633 |
|
| 1634 |
// Odd part
|
| 1635 |
//Also transpose, with previous:
|
| 1636 |
// ---- ---- ||||
|
| 1637 |
// ---- ---- idct ||||
|
| 1638 |
// ---- ---- ---> ||||
|
| 1639 |
// ---- ---- ||||
|
| 1640 |
z13 = wsptr[4] + wsptr[5]; |
| 1641 |
z10 = wsptr[4] - wsptr[5]; |
| 1642 |
z11 = wsptr[6] + wsptr[7]; |
| 1643 |
z12 = wsptr[6] - wsptr[7]; |
| 1644 |
|
| 1645 |
tmp7 = z11 + z13; |
| 1646 |
tmp11 = MULTIPLY16H(z11 - z13, FIX_1_414213562); |
| 1647 |
|
| 1648 |
z5 = MULTIPLY16H(z10 + z12, FIX_1_847759065); |
| 1649 |
tmp10 = MULTIPLY16H(z12, FIX_1_082392200) - z5; |
| 1650 |
tmp12 = MULTIPLY16H(z10, FIX_2_613125930) + z5; // - FIX_
|
| 1651 |
|
| 1652 |
tmp6 = (tmp12<<3) - tmp7;
|
| 1653 |
tmp5 = (tmp11<<3) - tmp6;
|
| 1654 |
tmp4 = (tmp10<<3) + tmp5;
|
| 1655 |
|
| 1656 |
// Final output stage: descale and write column
|
| 1657 |
outptr[0*output_stride]+= DESCALE(tmp0 + tmp7, 3); |
| 1658 |
outptr[1*output_stride]+= DESCALE(tmp1 + tmp6, 3); |
| 1659 |
outptr[2*output_stride]+= DESCALE(tmp2 + tmp5, 3); |
| 1660 |
outptr[3*output_stride]+= DESCALE(tmp3 - tmp4, 3); |
| 1661 |
outptr[4*output_stride]+= DESCALE(tmp3 + tmp4, 3); |
| 1662 |
outptr[5*output_stride]+= DESCALE(tmp2 - tmp5, 3); |
| 1663 |
outptr[6*output_stride]+= DESCALE(tmp1 - tmp6, 3); //no += ? |
| 1664 |
outptr[7*output_stride]+= DESCALE(tmp0 - tmp7, 3); //no += ? |
| 1665 |
outptr++; |
| 1666 |
|
| 1667 |
wsptr += DCTSIZE; // advance pointer to next row
|
| 1668 |
} |
| 1669 |
} |
| 1670 |
|
| 1671 |
#else /* HAVE_MMX */ |
| 1672 |
|
| 1673 |
static void row_idct_mmx (DCTELEM* workspace, |
| 1674 |
int16_t* output_adr, int output_stride, int cnt) |
| 1675 |
{
|
| 1676 |
uint64_t __attribute__((aligned(8))) temps[4]; |
| 1677 |
__asm__ volatile(
|
| 1678 |
"lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
| 1679 |
"1: \n\t"
|
| 1680 |
"movq "DCTSIZE_S"*0*2(%%"REG_S"), %%mm0 \n\t" |
| 1681 |
//
|
| 1682 |
|
| 1683 |
"movq "DCTSIZE_S"*1*2(%%"REG_S"), %%mm1 \n\t" |
| 1684 |
"movq %%mm0, %%mm4 \n\t"
|
| 1685 |
|
| 1686 |
"movq "DCTSIZE_S"*2*2(%%"REG_S"), %%mm2 \n\t" |
| 1687 |
"punpcklwd %%mm1, %%mm0 \n\t"
|
| 1688 |
|
| 1689 |
"movq "DCTSIZE_S"*3*2(%%"REG_S"), %%mm3 \n\t" |
| 1690 |
"punpckhwd %%mm1, %%mm4 \n\t"
|
| 1691 |
|
| 1692 |
//transpose 4x4
|
| 1693 |
"movq %%mm2, %%mm7 \n\t"
|
| 1694 |
"punpcklwd %%mm3, %%mm2 \n\t"
|
| 1695 |
|
| 1696 |
"movq %%mm0, %%mm6 \n\t"
|
| 1697 |
"punpckldq %%mm2, %%mm0 \n\t" //0 |
| 1698 |
|
| 1699 |
"punpckhdq %%mm2, %%mm6 \n\t" //1 |
| 1700 |
"movq %%mm0, %%mm5 \n\t"
|
| 1701 |
|
| 1702 |
"punpckhwd %%mm3, %%mm7 \n\t"
|
| 1703 |
"psubw %%mm6, %%mm0 \n\t"
|
| 1704 |
|
| 1705 |
"pmulhw "MANGLE(MM_FIX_1_414213562_A)", %%mm0 \n\t" |
| 1706 |
"movq %%mm4, %%mm2 \n\t"
|
| 1707 |
|
| 1708 |
"punpckldq %%mm7, %%mm4 \n\t" //2 |
| 1709 |
"paddw %%mm6, %%mm5 \n\t"
|
| 1710 |
|
| 1711 |
"punpckhdq %%mm7, %%mm2 \n\t" //3 |
| 1712 |
"movq %%mm4, %%mm1 \n\t"
|
| 1713 |
|
| 1714 |
"psllw $2, %%mm0 \n\t"
|
| 1715 |
"paddw %%mm2, %%mm4 \n\t" //t10 |
| 1716 |
|
| 1717 |
"movq "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_S"), %%mm3 \n\t" |
| 1718 |
"psubw %%mm2, %%mm1 \n\t" //t11 |
| 1719 |
|
| 1720 |
"movq "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_S"), %%mm2 \n\t" |
| 1721 |
"psubw %%mm5, %%mm0 \n\t"
|
| 1722 |
|
| 1723 |
"movq %%mm4, %%mm6 \n\t"
|
| 1724 |
"paddw %%mm5, %%mm4 \n\t" //t0 |
| 1725 |
|
| 1726 |
"psubw %%mm5, %%mm6 \n\t" //t3 |
| 1727 |
"movq %%mm1, %%mm7 \n\t"
|
| 1728 |
|
| 1729 |
"movq "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_S"), %%mm5 \n\t" |
| 1730 |
"paddw %%mm0, %%mm1 \n\t" //t1 |
| 1731 |
|
| 1732 |
"movq %%mm4, 0*8+%3 \n\t" //t0 |
| 1733 |
"movq %%mm3, %%mm4 \n\t"
|
| 1734 |
|
| 1735 |
"movq %%mm6, 1*8+%3 \n\t" //t3 |
| 1736 |
"punpcklwd %%mm2, %%mm3 \n\t"
|
| 1737 |
|
| 1738 |
//transpose 4x4
|
| 1739 |
"movq "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_S"), %%mm6 \n\t" |
| 1740 |
"punpckhwd %%mm2, %%mm4 \n\t"
|
| 1741 |
|
| 1742 |
"movq %%mm5, %%mm2 \n\t"
|
| 1743 |
"punpcklwd %%mm6, %%mm5 \n\t"
|
| 1744 |
|
| 1745 |
"psubw %%mm0, %%mm7 \n\t" //t2 |
| 1746 |
"punpckhwd %%mm6, %%mm2 \n\t"
|
| 1747 |
|
| 1748 |
"movq %%mm3, %%mm0 \n\t"
|
| 1749 |
"punpckldq %%mm5, %%mm3 \n\t" //4 |
| 1750 |
|
| 1751 |
"punpckhdq %%mm5, %%mm0 \n\t" //5 |
| 1752 |
"movq %%mm4, %%mm5 \n\t"
|
| 1753 |
|
| 1754 |
//
|
| 1755 |
"movq %%mm3, %%mm6 \n\t"
|
| 1756 |
"punpckldq %%mm2, %%mm4 \n\t" //6 |
| 1757 |
|
| 1758 |
"psubw %%mm0, %%mm3 \n\t" //z10 |
| 1759 |
"punpckhdq %%mm2, %%mm5 \n\t" //7 |
| 1760 |
|
| 1761 |
"paddw %%mm0, %%mm6 \n\t" //z13 |
| 1762 |
"movq %%mm4, %%mm2 \n\t"
|
| 1763 |
|
| 1764 |
"movq %%mm3, %%mm0 \n\t"
|
| 1765 |
"psubw %%mm5, %%mm4 \n\t" //z12 |
| 1766 |
|
| 1767 |
"pmulhw "MANGLE(MM_FIX_2_613125930)", %%mm0 \n\t" //- |
| 1768 |
"paddw %%mm4, %%mm3 \n\t"
|
| 1769 |
|
| 1770 |
"pmulhw "MANGLE(MM_FIX_1_847759065)", %%mm3 \n\t" //z5 |
| 1771 |
"paddw %%mm5, %%mm2 \n\t" //z11 > |
| 1772 |
|
| 1773 |
"pmulhw "MANGLE(MM_FIX_1_082392200)", %%mm4 \n\t" |
| 1774 |
"movq %%mm2, %%mm5 \n\t"
|
| 1775 |
|
| 1776 |
"psubw %%mm6, %%mm2 \n\t"
|
| 1777 |
"paddw %%mm6, %%mm5 \n\t" //t7 |
| 1778 |
|
| 1779 |
"pmulhw "MANGLE(MM_FIX_1_414213562)", %%mm2 \n\t" //t11 |
| 1780 |
"paddw %%mm3, %%mm0 \n\t" //t12 |
| 1781 |
|
| 1782 |
"psllw $3, %%mm0 \n\t"
|
| 1783 |
"psubw %%mm3, %%mm4 \n\t" //t10 |
| 1784 |
|
| 1785 |
"movq 0*8+%3, %%mm6 \n\t"
|
| 1786 |
"movq %%mm1, %%mm3 \n\t"
|
| 1787 |
|
| 1788 |
"psllw $3, %%mm4 \n\t"
|
| 1789 |
"psubw %%mm5, %%mm0 \n\t" //t6 |
| 1790 |
|
| 1791 |
"psllw $3, %%mm2 \n\t"
|
| 1792 |
"paddw %%mm0, %%mm1 \n\t" //d1 |
| 1793 |
|
| 1794 |
"psubw %%mm0, %%mm2 \n\t" //t5 |
| 1795 |
"psubw %%mm0, %%mm3 \n\t" //d6 |
| 1796 |
|
| 1797 |
"paddw %%mm2, %%mm4 \n\t" //t4 |
| 1798 |
"movq %%mm7, %%mm0 \n\t"
|
| 1799 |
|
| 1800 |
"paddw %%mm2, %%mm7 \n\t" //d2 |
| 1801 |
"psubw %%mm2, %%mm0 \n\t" //d5 |
| 1802 |
|
| 1803 |
"movq "MANGLE(MM_DESCALE_RND)", %%mm2 \n\t" //4 |
| 1804 |
"psubw %%mm5, %%mm6 \n\t" //d7 |
| 1805 |
|
| 1806 |
"paddw 0*8+%3, %%mm5 \n\t" //d0 |
| 1807 |
"paddw %%mm2, %%mm1 \n\t"
|
| 1808 |
|
| 1809 |
"paddw %%mm2, %%mm5 \n\t"
|
| 1810 |
"psraw $3, %%mm1 \n\t"
|
| 1811 |
|
| 1812 |
"paddw %%mm2, %%mm7 \n\t"
|
| 1813 |
"psraw $3, %%mm5 \n\t"
|
| 1814 |
|
| 1815 |
"paddw (%%"REG_D"), %%mm5 \n\t" |
| 1816 |
"psraw $3, %%mm7 \n\t"
|
| 1817 |
|
| 1818 |
"paddw (%%"REG_D",%%"REG_a",), %%mm1 \n\t" |
| 1819 |
"paddw %%mm2, %%mm0 \n\t"
|
| 1820 |
|
| 1821 |
"paddw (%%"REG_D",%%"REG_a",2), %%mm7 \n\t" |
| 1822 |
"paddw %%mm2, %%mm3 \n\t"
|
| 1823 |
|
| 1824 |
"movq %%mm5, (%%"REG_D") \n\t" |
| 1825 |
"paddw %%mm2, %%mm6 \n\t"
|
| 1826 |
|
| 1827 |
"movq %%mm1, (%%"REG_D",%%"REG_a",) \n\t" |
| 1828 |
"psraw $3, %%mm0 \n\t"
|
| 1829 |
|
| 1830 |
"movq %%mm7, (%%"REG_D",%%"REG_a",2) \n\t" |
| 1831 |
"add %%"REG_d", %%"REG_D" \n\t" //3*ls |
| 1832 |
|
| 1833 |
"movq 1*8+%3, %%mm5 \n\t" //t3 |
| 1834 |
"psraw $3, %%mm3 \n\t"
|
| 1835 |
|
| 1836 |
"paddw (%%"REG_D",%%"REG_a",2), %%mm0 \n\t" |
| 1837 |
"psubw %%mm4, %%mm5 \n\t" //d3 |
| 1838 |
|
| 1839 |
"paddw (%%"REG_D",%%"REG_d",), %%mm3 \n\t" |
| 1840 |
"psraw $3, %%mm6 \n\t"
|
| 1841 |
|
| 1842 |
"paddw 1*8+%3, %%mm4 \n\t" //d4 |
| 1843 |
"paddw %%mm2, %%mm5 \n\t"
|
| 1844 |
|
| 1845 |
"paddw (%%"REG_D",%%"REG_a",4), %%mm6 \n\t" |
| 1846 |
"paddw %%mm2, %%mm4 \n\t"
|
| 1847 |
|
| 1848 |
"movq %%mm0, (%%"REG_D",%%"REG_a",2) \n\t" |
| 1849 |
"psraw $3, %%mm5 \n\t"
|
| 1850 |
|
| 1851 |
"paddw (%%"REG_D"), %%mm5 \n\t" |
| 1852 |
"psraw $3, %%mm4 \n\t"
|
| 1853 |
|
| 1854 |
"paddw (%%"REG_D",%%"REG_a",), %%mm4 \n\t" |
| 1855 |
"add $"DCTSIZE_S"*2*4, %%"REG_S" \n\t" //4 rows |
| 1856 |
|
| 1857 |
"movq %%mm3, (%%"REG_D",%%"REG_d",) \n\t" |
| 1858 |
"movq %%mm6, (%%"REG_D",%%"REG_a",4) \n\t" |
| 1859 |
"movq %%mm5, (%%"REG_D") \n\t" |
| 1860 |
"movq %%mm4, (%%"REG_D",%%"REG_a",) \n\t" |
| 1861 |
|
| 1862 |
"sub %%"REG_d", %%"REG_D" \n\t" |
| 1863 |
"add $8, %%"REG_D" \n\t" |
| 1864 |
"dec %%"REG_c" \n\t" |
| 1865 |
"jnz 1b \n\t"
|
| 1866 |
|
| 1867 |
: "+S"(workspace), "+D"(output_adr), "+c"(cnt), "=o"(temps) |
| 1868 |
: "a"(output_stride*sizeof(short)) |
| 1869 |
: "%"REG_d
|
| 1870 |
); |
| 1871 |
} |
| 1872 |
|
| 1873 |
#endif // HAVE_MMX |
| 1874 |
|
| 1875 |
#if !HAVE_MMX
|
| 1876 |
|
| 1877 |
static void row_fdct_c(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt) |
| 1878 |
{
|
| 1879 |
int_simd16_t tmp0, tmp1, tmp2, tmp3, tmp4, tmp5, tmp6, tmp7; |
| 1880 |
int_simd16_t tmp10, tmp11, tmp12, tmp13; |
| 1881 |
int_simd16_t z1, z2, z3, z4, z5, z11, z13; |
| 1882 |
DCTELEM *dataptr; |
| 1883 |
|
| 1884 |
cnt*=4;
|
| 1885 |
// Pass 1: process rows.
|
| 1886 |
|
| 1887 |
dataptr = data; |
| 1888 |
for (; cnt > 0; cnt--) { |
| 1889 |
tmp0 = pixels[line_size*0] + pixels[line_size*7]; |
| 1890 |
tmp7 = pixels[line_size*0] - pixels[line_size*7]; |
| 1891 |
tmp1 = pixels[line_size*1] + pixels[line_size*6]; |
| 1892 |
tmp6 = pixels[line_size*1] - pixels[line_size*6]; |
| 1893 |
tmp2 = pixels[line_size*2] + pixels[line_size*5]; |
| 1894 |
tmp5 = pixels[line_size*2] - pixels[line_size*5]; |
| 1895 |
tmp3 = pixels[line_size*3] + pixels[line_size*4]; |
| 1896 |
tmp4 = pixels[line_size*3] - pixels[line_size*4]; |
| 1897 |
|
| 1898 |
// Even part
|
| 1899 |
|
| 1900 |
tmp10 = tmp0 + tmp3; |
| 1901 |
tmp13 = tmp0 - tmp3; |
| 1902 |
tmp11 = tmp1 + tmp2; |
| 1903 |
tmp12 = tmp1 - tmp2; |
| 1904 |
//Even columns are written first, this leads to different order of columns
|
| 1905 |
//in column_fidct(), but they are processed independently, so all ok.
|
| 1906 |
//Later in the row_idct() columns readed at the same order.
|
| 1907 |
dataptr[2] = tmp10 + tmp11;
|
| 1908 |
dataptr[3] = tmp10 - tmp11;
|
| 1909 |
|
| 1910 |
z1 = MULTIPLY16H((tmp12 + tmp13)<<2, FIX_0_707106781);
|
| 1911 |
dataptr[0] = tmp13 + z1;
|
| 1912 |
dataptr[1] = tmp13 - z1;
|
| 1913 |
|
| 1914 |
// Odd part
|
| 1915 |
|
| 1916 |
tmp10 = (tmp4 + tmp5) <<2;
|
| 1917 |
tmp11 = (tmp5 + tmp6) <<2;
|
| 1918 |
tmp12 = (tmp6 + tmp7) <<2;
|
| 1919 |
|
| 1920 |
z5 = MULTIPLY16H(tmp10 - tmp12, FIX_0_382683433); |
| 1921 |
z2 = MULTIPLY16H(tmp10, FIX_0_541196100) + z5; |
| 1922 |
z4 = MULTIPLY16H(tmp12, FIX_1_306562965) + z5; |
| 1923 |
z3 = MULTIPLY16H(tmp11, FIX_0_707106781); |
| 1924 |
|
| 1925 |
z11 = tmp7 + z3; |
| 1926 |
z13 = tmp7 - z3; |
| 1927 |
|
| 1928 |
dataptr[4] = z13 + z2;
|
| 1929 |
dataptr[5] = z13 - z2;
|
| 1930 |
dataptr[6] = z11 + z4;
|
| 1931 |
dataptr[7] = z11 - z4;
|
| 1932 |
|
| 1933 |
pixels++; // advance pointer to next column
|
| 1934 |
dataptr += DCTSIZE; |
| 1935 |
} |
| 1936 |
} |
| 1937 |
|
| 1938 |
#else /* HAVE_MMX */ |
| 1939 |
|
| 1940 |
static void row_fdct_mmx(DCTELEM *data, const uint8_t *pixels, int line_size, int cnt) |
| 1941 |
{
|
| 1942 |
uint64_t __attribute__((aligned(8))) temps[4]; |
| 1943 |
__asm__ volatile(
|
| 1944 |
"lea (%%"REG_a",%%"REG_a",2), %%"REG_d" \n\t" |
| 1945 |
"6: \n\t"
|
| 1946 |
"movd (%%"REG_S"), %%mm0 \n\t" |
| 1947 |
"pxor %%mm7, %%mm7 \n\t"
|
| 1948 |
|
| 1949 |
"movd (%%"REG_S",%%"REG_a",), %%mm1 \n\t" |
| 1950 |
"punpcklbw %%mm7, %%mm0 \n\t"
|
| 1951 |
|
| 1952 |
"movd (%%"REG_S",%%"REG_a",2), %%mm2 \n\t" |
| 1953 |
"punpcklbw %%mm7, %%mm1 \n\t"
|
| 1954 |
|
| 1955 |
"punpcklbw %%mm7, %%mm2 \n\t"
|
| 1956 |
"add %%"REG_d", %%"REG_S" \n\t" |
| 1957 |
|
| 1958 |
"movq %%mm0, %%mm5 \n\t"
|
| 1959 |
//
|
| 1960 |
|
| 1961 |
"movd (%%"REG_S",%%"REG_a",4), %%mm3 \n\t" //7 ;prefetch! |
| 1962 |
"movq %%mm1, %%mm6 \n\t"
|
| 1963 |
|
| 1964 |
"movd (%%"REG_S",%%"REG_d",), %%mm4 \n\t" //6 |
| 1965 |
"punpcklbw %%mm7, %%mm3 \n\t"
|
| 1966 |
|
| 1967 |
"psubw %%mm3, %%mm5 \n\t"
|
| 1968 |
"punpcklbw %%mm7, %%mm4 \n\t"
|
| 1969 |
|
| 1970 |
"paddw %%mm3, %%mm0 \n\t"
|
| 1971 |
"psubw %%mm4, %%mm6 \n\t"
|
| 1972 |
|
| 1973 |
"movd (%%"REG_S",%%"REG_a",2), %%mm3 \n\t" //5 |
| 1974 |
"paddw %%mm4, %%mm1 \n\t"
|
| 1975 |
|
| 1976 |
"movq %%mm5, 0*8+%3 \n\t" //t7 |
| 1977 |
"punpcklbw %%mm7, %%mm3 \n\t"
|
| 1978 |
|
| 1979 |
"movq %%mm6, 1*8+%3 \n\t" //t6 |
| 1980 |
"movq %%mm2, %%mm4 \n\t"
|
| 1981 |
|
| 1982 |
"movd (%%"REG_S"), %%mm5 \n\t" //3 |
| 1983 |
"paddw %%mm3, %%mm2 \n\t"
|
| 1984 |
|
| 1985 |
"movd (%%"REG_S",%%"REG_a",), %%mm6 \n\t" //4 |
| 1986 |
"punpcklbw %%mm7, %%mm5 \n\t"
|
| 1987 |
|
| 1988 |
"psubw %%mm3, %%mm4 \n\t"
|
| 1989 |
"punpcklbw %%mm7, %%mm6 \n\t"
|
| 1990 |
|
| 1991 |
"movq %%mm5, %%mm3 \n\t"
|
| 1992 |
"paddw %%mm6, %%mm5 \n\t" //t3 |
| 1993 |
|
| 1994 |
"psubw %%mm6, %%mm3 \n\t" //t4 ; t0 t1 t2 t4 t5 t3 - - |
| 1995 |
"movq %%mm0, %%mm6 \n\t"
|
| 1996 |
|
| 1997 |
"movq %%mm1, %%mm7 \n\t"
|
| 1998 |
"psubw %%mm5, %%mm0 \n\t" //t13 |
| 1999 |
|
| 2000 |
"psubw %%mm2, %%mm1 \n\t"
|
| 2001 |
"paddw %%mm2, %%mm7 \n\t" //t11 |
| 2002 |
|
| 2003 |
"paddw %%mm0, %%mm1 \n\t"
|
| 2004 |
"movq %%mm7, %%mm2 \n\t"
|
| 2005 |
|
| 2006 |
"psllw $2, %%mm1 \n\t"
|
| 2007 |
"paddw %%mm5, %%mm6 \n\t" //t10 |
| 2008 |
|
| 2009 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm1 \n\t" |
| 2010 |
"paddw %%mm6, %%mm7 \n\t" //d2 |
| 2011 |
|
| 2012 |
"psubw %%mm2, %%mm6 \n\t" //d3 |
| 2013 |
"movq %%mm0, %%mm5 \n\t"
|
| 2014 |
|
| 2015 |
//transpose 4x4
|
| 2016 |
"movq %%mm7, %%mm2 \n\t"
|
| 2017 |
"punpcklwd %%mm6, %%mm7 \n\t"
|
| 2018 |
|
| 2019 |
"paddw %%mm1, %%mm0 \n\t" //d0 |
| 2020 |
"punpckhwd %%mm6, %%mm2 \n\t"
|
| 2021 |
|
| 2022 |
"psubw %%mm1, %%mm5 \n\t" //d1 |
| 2023 |
"movq %%mm0, %%mm6 \n\t"
|
| 2024 |
|
| 2025 |
"movq 1*8+%3, %%mm1 \n\t"
|
| 2026 |
"punpcklwd %%mm5, %%mm0 \n\t"
|
| 2027 |
|
| 2028 |
"punpckhwd %%mm5, %%mm6 \n\t"
|
| 2029 |
"movq %%mm0, %%mm5 \n\t"
|
| 2030 |
|
| 2031 |
"punpckldq %%mm7, %%mm0 \n\t" //0 |
| 2032 |
"paddw %%mm4, %%mm3 \n\t"
|
| 2033 |
|
| 2034 |
"punpckhdq %%mm7, %%mm5 \n\t" //1 |
| 2035 |
"movq %%mm6, %%mm7 \n\t"
|
| 2036 |
|
| 2037 |
"movq %%mm0, "DCTSIZE_S"*0*2(%%"REG_D") \n\t" |
| 2038 |
"punpckldq %%mm2, %%mm6 \n\t" //2 |
| 2039 |
|
| 2040 |
"movq %%mm5, "DCTSIZE_S"*1*2(%%"REG_D") \n\t" |
| 2041 |
"punpckhdq %%mm2, %%mm7 \n\t" //3 |
| 2042 |
|
| 2043 |
"movq %%mm6, "DCTSIZE_S"*2*2(%%"REG_D") \n\t" |
| 2044 |
"paddw %%mm1, %%mm4 \n\t"
|
| 2045 |
|
| 2046 |
"movq %%mm7, "DCTSIZE_S"*3*2(%%"REG_D") \n\t" |
| 2047 |
"psllw $2, %%mm3 \n\t" //t10 |
| 2048 |
|
| 2049 |
"movq 0*8+%3, %%mm2 \n\t"
|
| 2050 |
"psllw $2, %%mm4 \n\t" //t11 |
| 2051 |
|
| 2052 |
"pmulhw "MANGLE(MM_FIX_0_707106781)", %%mm4 \n\t" //z3 |
| 2053 |
"paddw %%mm2, %%mm1 \n\t"
|
| 2054 |
|
| 2055 |
"psllw $2, %%mm1 \n\t" //t12 |
| 2056 |
"movq %%mm3, %%mm0 \n\t"
|
| 2057 |
|
| 2058 |
"pmulhw "MANGLE(MM_FIX_0_541196100)", %%mm0 \n\t" |
| 2059 |
"psubw %%mm1, %%mm3 \n\t"
|
| 2060 |
|
| 2061 |
"pmulhw "MANGLE(MM_FIX_0_382683433)", %%mm3 \n\t" //z5 |
| 2062 |
"movq %%mm2, %%mm5 \n\t"
|
| 2063 |
|
| 2064 |
"pmulhw "MANGLE(MM_FIX_1_306562965)", %%mm1 \n\t" |
| 2065 |
"psubw %%mm4, %%mm2 \n\t" //z13 |
| 2066 |
|
| 2067 |
"paddw %%mm4, %%mm5 \n\t" //z11 |
| 2068 |
"movq %%mm2, %%mm6 \n\t"
|
| 2069 |
|
| 2070 |
"paddw %%mm3, %%mm0 \n\t" //z2 |
| 2071 |
"movq %%mm5, %%mm7 \n\t"
|
| 2072 |
|
| 2073 |
"paddw %%mm0, %%mm2 \n\t" //d4 |
| 2074 |
"psubw %%mm0, %%mm6 \n\t" //d5 |
| 2075 |
|
| 2076 |
"movq %%mm2, %%mm4 \n\t"
|
| 2077 |
"paddw %%mm3, %%mm1 \n\t" //z4 |
| 2078 |
|
| 2079 |
//transpose 4x4
|
| 2080 |
"punpcklwd %%mm6, %%mm2 \n\t"
|
| 2081 |
"paddw %%mm1, %%mm5 \n\t" //d6 |
| 2082 |
|
| 2083 |
"punpckhwd %%mm6, %%mm4 \n\t"
|
| 2084 |
"psubw %%mm1, %%mm7 \n\t" //d7 |
| 2085 |
|
| 2086 |
"movq %%mm5, %%mm6 \n\t"
|
| 2087 |
"punpcklwd %%mm7, %%mm5 \n\t"
|
| 2088 |
|
| 2089 |
"punpckhwd %%mm7, %%mm6 \n\t"
|
| 2090 |
"movq %%mm2, %%mm7 \n\t"
|
| 2091 |
|
| 2092 |
"punpckldq %%mm5, %%mm2 \n\t" //4 |
| 2093 |
"sub %%"REG_d", %%"REG_S" \n\t" |
| 2094 |
|
| 2095 |
"punpckhdq %%mm5, %%mm7 \n\t" //5 |
| 2096 |
"movq %%mm4, %%mm5 \n\t"
|
| 2097 |
|
| 2098 |
"movq %%mm2, "DCTSIZE_S"*0*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2099 |
"punpckldq %%mm6, %%mm4 \n\t" //6 |
| 2100 |
|
| 2101 |
"movq %%mm7, "DCTSIZE_S"*1*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2102 |
"punpckhdq %%mm6, %%mm5 \n\t" //7 |
| 2103 |
|
| 2104 |
"movq %%mm4, "DCTSIZE_S"*2*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2105 |
"add $4, %%"REG_S" \n\t" |
| 2106 |
|
| 2107 |
"movq %%mm5, "DCTSIZE_S"*3*2+"DCTSIZE_S"(%%"REG_D") \n\t" |
| 2108 |
"add $"DCTSIZE_S"*2*4, %%"REG_D" \n\t" //4 rows |
| 2109 |
"dec %%"REG_c" \n\t" |
| 2110 |
"jnz 6b \n\t"
|
| 2111 |
|
| 2112 |
: "+S"(pixels), "+D"(data), "+c"(cnt), "=o"(temps) |
| 2113 |
: "a"(line_size)
|
| 2114 |
: "%"REG_d);
|
| 2115 |
} |
| 2116 |
|
| 2117 |
#endif // HAVE_MMX |