mirror of
				https://github.com/nyanmisaka/ffmpeg-rockchip.git
				synced 2025-10-31 04:26:37 +08:00 
			
		
		
		
	 91e00c4a78
			
		
	
	91e00c4a78
	
	
	
		
			
			* commit '458446acfa1441d283dacf9e6e545beb083b8bb0':
  lavc: Edge emulation with dst/src linesize
Conflicts:
	libavcodec/cavs.c
	libavcodec/h264.c
	libavcodec/hevc.c
	libavcodec/mpegvideo_enc.c
	libavcodec/mpegvideo_motion.c
	libavcodec/rv34.c
	libavcodec/svq3.c
	libavcodec/vc1dec.c
	libavcodec/videodsp.h
	libavcodec/videodsp_template.c
	libavcodec/vp3.c
	libavcodec/vp8.c
	libavcodec/wmv2.c
	libavcodec/x86/videodsp.asm
	libavcodec/x86/videodsp_init.c
Changes to the asm are not merged, they are left for volunteers or
in their absence for later.
The changes this merge introduces are reordering of the function
arguments
See: face578d56
Merged-by: Michael Niedermayer <michaelni@gmx.at>
		
	
		
			
				
	
	
		
			639 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			639 lines
		
	
	
		
			24 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
 | |
|  * MMX optimized DSP utils
 | |
|  * Copyright (c) 2000, 2001 Fabrice Bellard
 | |
|  * Copyright (c) 2002-2004 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 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
 | |
|  *
 | |
|  * MMX optimization by Nick Kurshev <nickols_k@mail.ru>
 | |
|  */
 | |
| 
 | |
| #include "config.h"
 | |
| #include "libavutil/avassert.h"
 | |
| #include "libavutil/cpu.h"
 | |
| #include "libavutil/x86/asm.h"
 | |
| #include "libavcodec/videodsp.h"
 | |
| #include "constants.h"
 | |
| #include "dsputil_x86.h"
 | |
| #include "diracdsp_mmx.h"
 | |
| 
 | |
| #if HAVE_INLINE_ASM
 | |
| 
 | |
| void ff_put_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
 | |
|                                int line_size)
 | |
| {
 | |
|     const int16_t *p;
 | |
|     uint8_t *pix;
 | |
| 
 | |
|     /* read the pixels */
 | |
|     p   = block;
 | |
|     pix = pixels;
 | |
|     /* unrolled loop */
 | |
|     __asm__ volatile (
 | |
|         "movq      (%3), %%mm0          \n\t"
 | |
|         "movq     8(%3), %%mm1          \n\t"
 | |
|         "movq    16(%3), %%mm2          \n\t"
 | |
|         "movq    24(%3), %%mm3          \n\t"
 | |
|         "movq    32(%3), %%mm4          \n\t"
 | |
|         "movq    40(%3), %%mm5          \n\t"
 | |
|         "movq    48(%3), %%mm6          \n\t"
 | |
|         "movq    56(%3), %%mm7          \n\t"
 | |
|         "packuswb %%mm1, %%mm0          \n\t"
 | |
|         "packuswb %%mm3, %%mm2          \n\t"
 | |
|         "packuswb %%mm5, %%mm4          \n\t"
 | |
|         "packuswb %%mm7, %%mm6          \n\t"
 | |
|         "movq     %%mm0, (%0)           \n\t"
 | |
|         "movq     %%mm2, (%0, %1)       \n\t"
 | |
|         "movq     %%mm4, (%0, %1, 2)    \n\t"
 | |
|         "movq     %%mm6, (%0, %2)       \n\t"
 | |
|         :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3),
 | |
|            "r"(p)
 | |
|         : "memory");
 | |
|     pix += line_size * 4;
 | |
|     p   += 32;
 | |
| 
 | |
|     // if here would be an exact copy of the code above
 | |
|     // compiler would generate some very strange code
 | |
|     // thus using "r"
 | |
|     __asm__ volatile (
 | |
|         "movq       (%3), %%mm0         \n\t"
 | |
|         "movq      8(%3), %%mm1         \n\t"
 | |
|         "movq     16(%3), %%mm2         \n\t"
 | |
|         "movq     24(%3), %%mm3         \n\t"
 | |
|         "movq     32(%3), %%mm4         \n\t"
 | |
|         "movq     40(%3), %%mm5         \n\t"
 | |
|         "movq     48(%3), %%mm6         \n\t"
 | |
|         "movq     56(%3), %%mm7         \n\t"
 | |
|         "packuswb  %%mm1, %%mm0         \n\t"
 | |
|         "packuswb  %%mm3, %%mm2         \n\t"
 | |
|         "packuswb  %%mm5, %%mm4         \n\t"
 | |
|         "packuswb  %%mm7, %%mm6         \n\t"
 | |
|         "movq      %%mm0, (%0)          \n\t"
 | |
|         "movq      %%mm2, (%0, %1)      \n\t"
 | |
|         "movq      %%mm4, (%0, %1, 2)   \n\t"
 | |
|         "movq      %%mm6, (%0, %2)      \n\t"
 | |
|         :: "r"(pix), "r"((x86_reg)line_size), "r"((x86_reg)line_size * 3), "r"(p)
 | |
|         : "memory");
 | |
| }
 | |
| 
 | |
| #define put_signed_pixels_clamped_mmx_half(off)             \
 | |
|     "movq          "#off"(%2), %%mm1        \n\t"           \
 | |
|     "movq     16 + "#off"(%2), %%mm2        \n\t"           \
 | |
|     "movq     32 + "#off"(%2), %%mm3        \n\t"           \
 | |
|     "movq     48 + "#off"(%2), %%mm4        \n\t"           \
 | |
|     "packsswb  8 + "#off"(%2), %%mm1        \n\t"           \
 | |
|     "packsswb 24 + "#off"(%2), %%mm2        \n\t"           \
 | |
|     "packsswb 40 + "#off"(%2), %%mm3        \n\t"           \
 | |
|     "packsswb 56 + "#off"(%2), %%mm4        \n\t"           \
 | |
|     "paddb              %%mm0, %%mm1        \n\t"           \
 | |
|     "paddb              %%mm0, %%mm2        \n\t"           \
 | |
|     "paddb              %%mm0, %%mm3        \n\t"           \
 | |
|     "paddb              %%mm0, %%mm4        \n\t"           \
 | |
|     "movq               %%mm1, (%0)         \n\t"           \
 | |
|     "movq               %%mm2, (%0, %3)     \n\t"           \
 | |
|     "movq               %%mm3, (%0, %3, 2)  \n\t"           \
 | |
|     "movq               %%mm4, (%0, %1)     \n\t"
 | |
| 
 | |
| void ff_put_signed_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
 | |
|                                       int line_size)
 | |
| {
 | |
|     x86_reg line_skip = line_size;
 | |
|     x86_reg line_skip3;
 | |
| 
 | |
|     __asm__ volatile (
 | |
|         "movq "MANGLE(ff_pb_80)", %%mm0     \n\t"
 | |
|         "lea         (%3, %3, 2), %1        \n\t"
 | |
|         put_signed_pixels_clamped_mmx_half(0)
 | |
|         "lea         (%0, %3, 4), %0        \n\t"
 | |
|         put_signed_pixels_clamped_mmx_half(64)
 | |
|         : "+&r"(pixels), "=&r"(line_skip3)
 | |
|         : "r"(block), "r"(line_skip)
 | |
|         : "memory");
 | |
| }
 | |
| 
 | |
| void ff_add_pixels_clamped_mmx(const int16_t *block, uint8_t *pixels,
 | |
|                                int line_size)
 | |
| {
 | |
|     const int16_t *p;
 | |
|     uint8_t *pix;
 | |
|     int i;
 | |
| 
 | |
|     /* read the pixels */
 | |
|     p   = block;
 | |
|     pix = pixels;
 | |
|     MOVQ_ZERO(mm7);
 | |
|     i = 4;
 | |
|     do {
 | |
|         __asm__ volatile (
 | |
|             "movq        (%2), %%mm0    \n\t"
 | |
|             "movq       8(%2), %%mm1    \n\t"
 | |
|             "movq      16(%2), %%mm2    \n\t"
 | |
|             "movq      24(%2), %%mm3    \n\t"
 | |
|             "movq          %0, %%mm4    \n\t"
 | |
|             "movq          %1, %%mm6    \n\t"
 | |
|             "movq       %%mm4, %%mm5    \n\t"
 | |
|             "punpcklbw  %%mm7, %%mm4    \n\t"
 | |
|             "punpckhbw  %%mm7, %%mm5    \n\t"
 | |
|             "paddsw     %%mm4, %%mm0    \n\t"
 | |
|             "paddsw     %%mm5, %%mm1    \n\t"
 | |
|             "movq       %%mm6, %%mm5    \n\t"
 | |
|             "punpcklbw  %%mm7, %%mm6    \n\t"
 | |
|             "punpckhbw  %%mm7, %%mm5    \n\t"
 | |
|             "paddsw     %%mm6, %%mm2    \n\t"
 | |
|             "paddsw     %%mm5, %%mm3    \n\t"
 | |
|             "packuswb   %%mm1, %%mm0    \n\t"
 | |
|             "packuswb   %%mm3, %%mm2    \n\t"
 | |
|             "movq       %%mm0, %0       \n\t"
 | |
|             "movq       %%mm2, %1       \n\t"
 | |
|             : "+m"(*pix), "+m"(*(pix + line_size))
 | |
|             : "r"(p)
 | |
|             : "memory");
 | |
|         pix += line_size * 2;
 | |
|         p   += 16;
 | |
|     } while (--i);
 | |
| }
 | |
| 
 | |
| #define CLEAR_BLOCKS(name, n)                           \
 | |
| void name(int16_t *blocks)                              \
 | |
| {                                                       \
 | |
|     __asm__ volatile (                                  \
 | |
|         "pxor %%mm7, %%mm7              \n\t"           \
 | |
|         "mov     %1,        %%"REG_a"   \n\t"           \
 | |
|         "1:                             \n\t"           \
 | |
|         "movq %%mm7,   (%0, %%"REG_a")  \n\t"           \
 | |
|         "movq %%mm7,  8(%0, %%"REG_a")  \n\t"           \
 | |
|         "movq %%mm7, 16(%0, %%"REG_a")  \n\t"           \
 | |
|         "movq %%mm7, 24(%0, %%"REG_a")  \n\t"           \
 | |
|         "add    $32, %%"REG_a"          \n\t"           \
 | |
|         "js      1b                     \n\t"           \
 | |
|         :: "r"(((uint8_t *)blocks) + 128 * n),          \
 | |
|            "i"(-128 * n)                                \
 | |
|         : "%"REG_a                                      \
 | |
|         );                                              \
 | |
| }
 | |
| CLEAR_BLOCKS(ff_clear_blocks_mmx, 6)
 | |
| CLEAR_BLOCKS(ff_clear_block_mmx, 1)
 | |
| 
 | |
| void ff_clear_block_sse(int16_t *block)
 | |
| {
 | |
|     __asm__ volatile (
 | |
|         "xorps  %%xmm0, %%xmm0          \n"
 | |
|         "movaps %%xmm0,    (%0)         \n"
 | |
|         "movaps %%xmm0,  16(%0)         \n"
 | |
|         "movaps %%xmm0,  32(%0)         \n"
 | |
|         "movaps %%xmm0,  48(%0)         \n"
 | |
|         "movaps %%xmm0,  64(%0)         \n"
 | |
|         "movaps %%xmm0,  80(%0)         \n"
 | |
|         "movaps %%xmm0,  96(%0)         \n"
 | |
|         "movaps %%xmm0, 112(%0)         \n"
 | |
|         :: "r"(block)
 | |
|         : "memory"
 | |
|     );
 | |
| }
 | |
| 
 | |
| void ff_clear_blocks_sse(int16_t *blocks)
 | |
| {
 | |
|     __asm__ volatile (
 | |
|         "xorps  %%xmm0, %%xmm0              \n"
 | |
|         "mov        %1,         %%"REG_a"   \n"
 | |
|         "1:                                 \n"
 | |
|         "movaps %%xmm0,    (%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  16(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  32(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  48(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  64(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  80(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0,  96(%0, %%"REG_a")  \n"
 | |
|         "movaps %%xmm0, 112(%0, %%"REG_a")  \n"
 | |
|         "add      $128,         %%"REG_a"   \n"
 | |
|         "js         1b                      \n"
 | |
|         :: "r"(((uint8_t *)blocks) + 128 * 6),
 | |
|            "i"(-128 * 6)
 | |
|         : "%"REG_a
 | |
|     );
 | |
| }
 | |
| 
 | |
| void ff_add_bytes_mmx(uint8_t *dst, uint8_t *src, int w)
 | |
| {
 | |
|     x86_reg i = 0;
 | |
|     __asm__ volatile (
 | |
|         "jmp          2f                \n\t"
 | |
|         "1:                             \n\t"
 | |
|         "movq   (%1, %0), %%mm0         \n\t"
 | |
|         "movq   (%2, %0), %%mm1         \n\t"
 | |
|         "paddb     %%mm0, %%mm1         \n\t"
 | |
|         "movq      %%mm1, (%2, %0)      \n\t"
 | |
|         "movq  8(%1, %0), %%mm0         \n\t"
 | |
|         "movq  8(%2, %0), %%mm1         \n\t"
 | |
|         "paddb     %%mm0, %%mm1         \n\t"
 | |
|         "movq      %%mm1, 8(%2, %0)     \n\t"
 | |
|         "add         $16, %0            \n\t"
 | |
|         "2:                             \n\t"
 | |
|         "cmp          %3, %0            \n\t"
 | |
|         "js           1b                \n\t"
 | |
|         : "+r"(i)
 | |
|         : "r"(src), "r"(dst), "r"((x86_reg)w - 15)
 | |
|     );
 | |
|     for ( ; i < w; i++)
 | |
|         dst[i + 0] += src[i + 0];
 | |
| }
 | |
| 
 | |
| /* Draw the edges of width 'w' of an image of size width, height
 | |
|  * this MMX version can only handle w == 8 || w == 16. */
 | |
| void ff_draw_edges_mmx(uint8_t *buf, int wrap, int width, int height,
 | |
|                        int w, int h, int sides)
 | |
| {
 | |
|     uint8_t *ptr, *last_line;
 | |
|     int i;
 | |
| 
 | |
|     last_line = buf + (height - 1) * wrap;
 | |
|     /* left and right */
 | |
|     ptr = buf;
 | |
|     if (w == 8) {
 | |
|         __asm__ volatile (
 | |
|             "1:                             \n\t"
 | |
|             "movd            (%0), %%mm0    \n\t"
 | |
|             "punpcklbw      %%mm0, %%mm0    \n\t"
 | |
|             "punpcklwd      %%mm0, %%mm0    \n\t"
 | |
|             "punpckldq      %%mm0, %%mm0    \n\t"
 | |
|             "movq           %%mm0, -8(%0)   \n\t"
 | |
|             "movq      -8(%0, %2), %%mm1    \n\t"
 | |
|             "punpckhbw      %%mm1, %%mm1    \n\t"
 | |
|             "punpckhwd      %%mm1, %%mm1    \n\t"
 | |
|             "punpckhdq      %%mm1, %%mm1    \n\t"
 | |
|             "movq           %%mm1, (%0, %2) \n\t"
 | |
|             "add               %1, %0       \n\t"
 | |
|             "cmp               %3, %0       \n\t"
 | |
|             "jb                1b           \n\t"
 | |
|             : "+r"(ptr)
 | |
|             : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
 | |
|             );
 | |
|     } else if(w==16){
 | |
|         __asm__ volatile (
 | |
|             "1:                                 \n\t"
 | |
|             "movd            (%0), %%mm0        \n\t"
 | |
|             "punpcklbw      %%mm0, %%mm0        \n\t"
 | |
|             "punpcklwd      %%mm0, %%mm0        \n\t"
 | |
|             "punpckldq      %%mm0, %%mm0        \n\t"
 | |
|             "movq           %%mm0, -8(%0)       \n\t"
 | |
|             "movq           %%mm0, -16(%0)      \n\t"
 | |
|             "movq      -8(%0, %2), %%mm1        \n\t"
 | |
|             "punpckhbw      %%mm1, %%mm1        \n\t"
 | |
|             "punpckhwd      %%mm1, %%mm1        \n\t"
 | |
|             "punpckhdq      %%mm1, %%mm1        \n\t"
 | |
|             "movq           %%mm1,  (%0, %2)    \n\t"
 | |
|             "movq           %%mm1, 8(%0, %2)    \n\t"
 | |
|             "add               %1, %0           \n\t"
 | |
|             "cmp               %3, %0           \n\t"
 | |
|             "jb                1b               \n\t"
 | |
|             : "+r"(ptr)
 | |
|             : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
 | |
|             );
 | |
|     } else {
 | |
|         av_assert1(w == 4);
 | |
|         __asm__ volatile (
 | |
|             "1:                             \n\t"
 | |
|             "movd            (%0), %%mm0    \n\t"
 | |
|             "punpcklbw      %%mm0, %%mm0    \n\t"
 | |
|             "punpcklwd      %%mm0, %%mm0    \n\t"
 | |
|             "movd           %%mm0, -4(%0)   \n\t"
 | |
|             "movd      -4(%0, %2), %%mm1    \n\t"
 | |
|             "punpcklbw      %%mm1, %%mm1    \n\t"
 | |
|             "punpckhwd      %%mm1, %%mm1    \n\t"
 | |
|             "punpckhdq      %%mm1, %%mm1    \n\t"
 | |
|             "movd           %%mm1, (%0, %2) \n\t"
 | |
|             "add               %1, %0       \n\t"
 | |
|             "cmp               %3, %0       \n\t"
 | |
|             "jb                1b           \n\t"
 | |
|             : "+r"(ptr)
 | |
|             : "r"((x86_reg)wrap), "r"((x86_reg)width), "r"(ptr + wrap * height)
 | |
|             );
 | |
|     }
 | |
| 
 | |
|     /* top and bottom (and hopefully also the corners) */
 | |
|     if (sides & EDGE_TOP) {
 | |
|         for (i = 0; i < h; i += 4) {
 | |
|             ptr = buf - (i + 1) * wrap - w;
 | |
|             __asm__ volatile (
 | |
|                 "1:                             \n\t"
 | |
|                 "movq (%1, %0), %%mm0           \n\t"
 | |
|                 "movq    %%mm0, (%0)            \n\t"
 | |
|                 "movq    %%mm0, (%0, %2)        \n\t"
 | |
|                 "movq    %%mm0, (%0, %2, 2)     \n\t"
 | |
|                 "movq    %%mm0, (%0, %3)        \n\t"
 | |
|                 "add        $8, %0              \n\t"
 | |
|                 "cmp        %4, %0              \n\t"
 | |
|                 "jb         1b                  \n\t"
 | |
|                 : "+r"(ptr)
 | |
|                 : "r"((x86_reg)buf - (x86_reg)ptr - w), "r"((x86_reg) -wrap),
 | |
|                   "r"((x86_reg) -wrap * 3), "r"(ptr + width + 2 * w)
 | |
|                 );
 | |
|         }
 | |
|     }
 | |
| 
 | |
|     if (sides & EDGE_BOTTOM) {
 | |
|         for (i = 0; i < h; i += 4) {
 | |
|             ptr = last_line + (i + 1) * wrap - w;
 | |
|             __asm__ volatile (
 | |
|                 "1:                             \n\t"
 | |
|                 "movq (%1, %0), %%mm0           \n\t"
 | |
|                 "movq    %%mm0, (%0)            \n\t"
 | |
|                 "movq    %%mm0, (%0, %2)        \n\t"
 | |
|                 "movq    %%mm0, (%0, %2, 2)     \n\t"
 | |
|                 "movq    %%mm0, (%0, %3)        \n\t"
 | |
|                 "add        $8, %0              \n\t"
 | |
|                 "cmp        %4, %0              \n\t"
 | |
|                 "jb         1b                  \n\t"
 | |
|                 : "+r"(ptr)
 | |
|                 : "r"((x86_reg)last_line - (x86_reg)ptr - w),
 | |
|                   "r"((x86_reg)wrap), "r"((x86_reg)wrap * 3),
 | |
|                   "r"(ptr + width + 2 * w)
 | |
|                 );
 | |
|         }
 | |
|     }
 | |
| }
 | |
| 
 | |
| typedef void emulated_edge_mc_func(uint8_t *dst, const uint8_t *src,
 | |
|                                    ptrdiff_t dst_stride,
 | |
|                                    ptrdiff_t src_linesize,
 | |
|                                    int block_w, int block_h,
 | |
|                                    int src_x, int src_y, int w, int h);
 | |
| 
 | |
| static av_always_inline void gmc(uint8_t *dst, uint8_t *src,
 | |
|                                  int stride, int h, int ox, int oy,
 | |
|                                  int dxx, int dxy, int dyx, int dyy,
 | |
|                                  int shift, int r, int width, int height,
 | |
|                                  emulated_edge_mc_func *emu_edge_fn)
 | |
| {
 | |
|     const int w    = 8;
 | |
|     const int ix   = ox  >> (16 + shift);
 | |
|     const int iy   = oy  >> (16 + shift);
 | |
|     const int oxs  = ox  >> 4;
 | |
|     const int oys  = oy  >> 4;
 | |
|     const int dxxs = dxx >> 4;
 | |
|     const int dxys = dxy >> 4;
 | |
|     const int dyxs = dyx >> 4;
 | |
|     const int dyys = dyy >> 4;
 | |
|     const uint16_t r4[4]   = { r, r, r, r };
 | |
|     const uint16_t dxy4[4] = { dxys, dxys, dxys, dxys };
 | |
|     const uint16_t dyy4[4] = { dyys, dyys, dyys, dyys };
 | |
|     const uint64_t shift2 = 2 * shift;
 | |
| #define MAX_STRIDE 4096U
 | |
| #define MAX_H 8U
 | |
|     uint8_t edge_buf[(MAX_H + 1) * MAX_STRIDE];
 | |
|     int x, y;
 | |
| 
 | |
|     const int dxw = (dxx - (1 << (16 + shift))) * (w - 1);
 | |
|     const int dyh = (dyy - (1 << (16 + shift))) * (h - 1);
 | |
|     const int dxh = dxy * (h - 1);
 | |
|     const int dyw = dyx * (w - 1);
 | |
|     int need_emu =  (unsigned)ix >= width  - w ||
 | |
|                     (unsigned)iy >= height - h;
 | |
| 
 | |
|     if ( // non-constant fullpel offset (3% of blocks)
 | |
|         ((ox ^ (ox + dxw)) | (ox ^ (ox + dxh)) | (ox ^ (ox + dxw + dxh)) |
 | |
|          (oy ^ (oy + dyw)) | (oy ^ (oy + dyh)) | (oy ^ (oy + dyw + dyh))) >> (16 + shift)
 | |
|         // uses more than 16 bits of subpel mv (only at huge resolution)
 | |
|         || (dxx | dxy | dyx | dyy) & 15
 | |
|         || (need_emu && (h > MAX_H || stride > MAX_STRIDE))) {
 | |
|         // FIXME could still use mmx for some of the rows
 | |
|         ff_gmc_c(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy,
 | |
|                  shift, r, width, height);
 | |
|         return;
 | |
|     }
 | |
| 
 | |
|     src += ix + iy * stride;
 | |
|     if (need_emu) {
 | |
|         emu_edge_fn(edge_buf, src, stride, stride, w + 1, h + 1, ix, iy, width, height);
 | |
|         src = edge_buf;
 | |
|     }
 | |
| 
 | |
|     __asm__ volatile (
 | |
|         "movd         %0, %%mm6         \n\t"
 | |
|         "pxor      %%mm7, %%mm7         \n\t"
 | |
|         "punpcklwd %%mm6, %%mm6         \n\t"
 | |
|         "punpcklwd %%mm6, %%mm6         \n\t"
 | |
|         :: "r"(1<<shift)
 | |
|     );
 | |
| 
 | |
|     for (x = 0; x < w; x += 4) {
 | |
|         uint16_t dx4[4] = { oxs - dxys + dxxs * (x + 0),
 | |
|                             oxs - dxys + dxxs * (x + 1),
 | |
|                             oxs - dxys + dxxs * (x + 2),
 | |
|                             oxs - dxys + dxxs * (x + 3) };
 | |
|         uint16_t dy4[4] = { oys - dyys + dyxs * (x + 0),
 | |
|                             oys - dyys + dyxs * (x + 1),
 | |
|                             oys - dyys + dyxs * (x + 2),
 | |
|                             oys - dyys + dyxs * (x + 3) };
 | |
| 
 | |
|         for (y = 0; y < h; y++) {
 | |
|             __asm__ volatile (
 | |
|                 "movq      %0, %%mm4    \n\t"
 | |
|                 "movq      %1, %%mm5    \n\t"
 | |
|                 "paddw     %2, %%mm4    \n\t"
 | |
|                 "paddw     %3, %%mm5    \n\t"
 | |
|                 "movq   %%mm4, %0       \n\t"
 | |
|                 "movq   %%mm5, %1       \n\t"
 | |
|                 "psrlw    $12, %%mm4    \n\t"
 | |
|                 "psrlw    $12, %%mm5    \n\t"
 | |
|                 : "+m"(*dx4), "+m"(*dy4)
 | |
|                 : "m"(*dxy4), "m"(*dyy4)
 | |
|             );
 | |
| 
 | |
|             __asm__ volatile (
 | |
|                 "movq      %%mm6, %%mm2 \n\t"
 | |
|                 "movq      %%mm6, %%mm1 \n\t"
 | |
|                 "psubw     %%mm4, %%mm2 \n\t"
 | |
|                 "psubw     %%mm5, %%mm1 \n\t"
 | |
|                 "movq      %%mm2, %%mm0 \n\t"
 | |
|                 "movq      %%mm4, %%mm3 \n\t"
 | |
|                 "pmullw    %%mm1, %%mm0 \n\t" // (s - dx) * (s - dy)
 | |
|                 "pmullw    %%mm5, %%mm3 \n\t" // dx * dy
 | |
|                 "pmullw    %%mm5, %%mm2 \n\t" // (s - dx) * dy
 | |
|                 "pmullw    %%mm4, %%mm1 \n\t" // dx * (s - dy)
 | |
| 
 | |
|                 "movd         %4, %%mm5 \n\t"
 | |
|                 "movd         %3, %%mm4 \n\t"
 | |
|                 "punpcklbw %%mm7, %%mm5 \n\t"
 | |
|                 "punpcklbw %%mm7, %%mm4 \n\t"
 | |
|                 "pmullw    %%mm5, %%mm3 \n\t" // src[1, 1] * dx * dy
 | |
|                 "pmullw    %%mm4, %%mm2 \n\t" // src[0, 1] * (s - dx) * dy
 | |
| 
 | |
|                 "movd         %2, %%mm5 \n\t"
 | |
|                 "movd         %1, %%mm4 \n\t"
 | |
|                 "punpcklbw %%mm7, %%mm5 \n\t"
 | |
|                 "punpcklbw %%mm7, %%mm4 \n\t"
 | |
|                 "pmullw    %%mm5, %%mm1 \n\t" // src[1, 0] * dx * (s - dy)
 | |
|                 "pmullw    %%mm4, %%mm0 \n\t" // src[0, 0] * (s - dx) * (s - dy)
 | |
|                 "paddw        %5, %%mm1 \n\t"
 | |
|                 "paddw     %%mm3, %%mm2 \n\t"
 | |
|                 "paddw     %%mm1, %%mm0 \n\t"
 | |
|                 "paddw     %%mm2, %%mm0 \n\t"
 | |
| 
 | |
|                 "psrlw        %6, %%mm0 \n\t"
 | |
|                 "packuswb  %%mm0, %%mm0 \n\t"
 | |
|                 "movd      %%mm0, %0    \n\t"
 | |
| 
 | |
|                 : "=m"(dst[x + y * stride])
 | |
|                 : "m"(src[0]), "m"(src[1]),
 | |
|                   "m"(src[stride]), "m"(src[stride + 1]),
 | |
|                   "m"(*r4), "m"(shift2)
 | |
|             );
 | |
|             src += stride;
 | |
|         }
 | |
|         src += 4 - h * stride;
 | |
|     }
 | |
| }
 | |
| 
 | |
| #if CONFIG_VIDEODSP
 | |
| #if HAVE_YASM
 | |
| #if ARCH_X86_32
 | |
| void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
 | |
|                 int stride, int h, int ox, int oy,
 | |
|                 int dxx, int dxy, int dyx, int dyy,
 | |
|                 int shift, int r, int width, int height)
 | |
| {
 | |
|     gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
 | |
|         width, height, &ff_emulated_edge_mc_8);
 | |
| }
 | |
| #endif
 | |
| void ff_gmc_sse(uint8_t *dst, uint8_t *src,
 | |
|                 int stride, int h, int ox, int oy,
 | |
|                 int dxx, int dxy, int dyx, int dyy,
 | |
|                 int shift, int r, int width, int height)
 | |
| {
 | |
|     gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
 | |
|         width, height, &ff_emulated_edge_mc_8);
 | |
| }
 | |
| #else
 | |
| void ff_gmc_mmx(uint8_t *dst, uint8_t *src,
 | |
|                 int stride, int h, int ox, int oy,
 | |
|                 int dxx, int dxy, int dyx, int dyy,
 | |
|                 int shift, int r, int width, int height)
 | |
| {
 | |
|     gmc(dst, src, stride, h, ox, oy, dxx, dxy, dyx, dyy, shift, r,
 | |
|         width, height, &ff_emulated_edge_mc_8);
 | |
| }
 | |
| #endif
 | |
| #endif
 | |
| 
 | |
| #if CONFIG_DIRAC_DECODER
 | |
| #define DIRAC_PIXOP(OPNAME2, OPNAME, EXT)\
 | |
| void ff_ ## OPNAME2 ## _dirac_pixels8_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)\
 | |
| {\
 | |
|     if (h&3)\
 | |
|         ff_ ## OPNAME2 ## _dirac_pixels8_c(dst, src, stride, h);\
 | |
|     else\
 | |
|         OPNAME ## _pixels8_ ## EXT(dst, src[0], stride, h);\
 | |
| }\
 | |
| void ff_ ## OPNAME2 ## _dirac_pixels16_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)\
 | |
| {\
 | |
|     if (h&3)\
 | |
|         ff_ ## OPNAME2 ## _dirac_pixels16_c(dst, src, stride, h);\
 | |
|     else\
 | |
|         OPNAME ## _pixels16_ ## EXT(dst, src[0], stride, h);\
 | |
| }\
 | |
| void ff_ ## OPNAME2 ## _dirac_pixels32_ ## EXT(uint8_t *dst, const uint8_t *src[5], int stride, int h)\
 | |
| {\
 | |
|     if (h&3) {\
 | |
|         ff_ ## OPNAME2 ## _dirac_pixels32_c(dst, src, stride, h);\
 | |
|     } else {\
 | |
|         OPNAME ## _pixels16_ ## EXT(dst   , src[0]   , stride, h);\
 | |
|         OPNAME ## _pixels16_ ## EXT(dst+16, src[0]+16, stride, h);\
 | |
|     }\
 | |
| }
 | |
| 
 | |
| #if HAVE_MMX_INLINE
 | |
| PIXELS16(static, ff_avg, , , _mmxext)
 | |
| DIRAC_PIXOP(put, ff_put, mmx)
 | |
| DIRAC_PIXOP(avg, ff_avg, mmx)
 | |
| #endif
 | |
| 
 | |
| #if HAVE_YASM
 | |
| DIRAC_PIXOP(avg, ff_avg, mmxext)
 | |
| 
 | |
| void ff_put_dirac_pixels16_sse2(uint8_t *dst, const uint8_t *src[5], int stride, int h)
 | |
| {
 | |
|     if (h&3)
 | |
|         ff_put_dirac_pixels16_c(dst, src, stride, h);
 | |
|     else
 | |
|     ff_put_pixels16_sse2(dst, src[0], stride, h);
 | |
| }
 | |
| void ff_avg_dirac_pixels16_sse2(uint8_t *dst, const uint8_t *src[5], int stride, int h)
 | |
| {
 | |
|     if (h&3)
 | |
|         ff_avg_dirac_pixels16_c(dst, src, stride, h);
 | |
|     else
 | |
|     ff_avg_pixels16_sse2(dst, src[0], stride, h);
 | |
| }
 | |
| void ff_put_dirac_pixels32_sse2(uint8_t *dst, const uint8_t *src[5], int stride, int h)
 | |
| {
 | |
|     if (h&3) {
 | |
|         ff_put_dirac_pixels32_c(dst, src, stride, h);
 | |
|     } else {
 | |
|     ff_put_pixels16_sse2(dst   , src[0]   , stride, h);
 | |
|     ff_put_pixels16_sse2(dst+16, src[0]+16, stride, h);
 | |
|     }
 | |
| }
 | |
| void ff_avg_dirac_pixels32_sse2(uint8_t *dst, const uint8_t *src[5], int stride, int h)
 | |
| {
 | |
|     if (h&3) {
 | |
|         ff_avg_dirac_pixels32_c(dst, src, stride, h);
 | |
|     } else {
 | |
|     ff_avg_pixels16_sse2(dst   , src[0]   , stride, h);
 | |
|     ff_avg_pixels16_sse2(dst+16, src[0]+16, stride, h);
 | |
|     }
 | |
| }
 | |
| #endif
 | |
| #endif
 | |
| 
 | |
| void ff_vector_clipf_sse(float *dst, const float *src,
 | |
|                          float min, float max, int len)
 | |
| {
 | |
|     x86_reg i = (len - 16) * 4;
 | |
|     __asm__ volatile (
 | |
|         "movss          %3, %%xmm4      \n\t"
 | |
|         "movss          %4, %%xmm5      \n\t"
 | |
|         "shufps $0, %%xmm4, %%xmm4      \n\t"
 | |
|         "shufps $0, %%xmm5, %%xmm5      \n\t"
 | |
|         "1:                             \n\t"
 | |
|         "movaps   (%2, %0), %%xmm0      \n\t" // 3/1 on intel
 | |
|         "movaps 16(%2, %0), %%xmm1      \n\t"
 | |
|         "movaps 32(%2, %0), %%xmm2      \n\t"
 | |
|         "movaps 48(%2, %0), %%xmm3      \n\t"
 | |
|         "maxps      %%xmm4, %%xmm0      \n\t"
 | |
|         "maxps      %%xmm4, %%xmm1      \n\t"
 | |
|         "maxps      %%xmm4, %%xmm2      \n\t"
 | |
|         "maxps      %%xmm4, %%xmm3      \n\t"
 | |
|         "minps      %%xmm5, %%xmm0      \n\t"
 | |
|         "minps      %%xmm5, %%xmm1      \n\t"
 | |
|         "minps      %%xmm5, %%xmm2      \n\t"
 | |
|         "minps      %%xmm5, %%xmm3      \n\t"
 | |
|         "movaps     %%xmm0,   (%1, %0)  \n\t"
 | |
|         "movaps     %%xmm1, 16(%1, %0)  \n\t"
 | |
|         "movaps     %%xmm2, 32(%1, %0)  \n\t"
 | |
|         "movaps     %%xmm3, 48(%1, %0)  \n\t"
 | |
|         "sub           $64, %0          \n\t"
 | |
|         "jge            1b              \n\t"
 | |
|         : "+&r"(i)
 | |
|         : "r"(dst), "r"(src), "m"(min), "m"(max)
 | |
|         : "memory"
 | |
|     );
 | |
| }
 | |
| 
 | |
| #endif /* HAVE_INLINE_ASM */
 |