| /* |
| * Copyright (c) 2005 Zoltan Hidvegi <hzoli -a- hzoli -d- com>, |
| * Loren Merritt |
| * |
| * 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 optimized version of (put|avg)_h264_chroma_mc8. |
| * H264_CHROMA_MC8_TMPL must be defined to the desired function name |
| * H264_CHROMA_OP must be defined to empty for put and pavgb/pavgusb for avg |
| * H264_CHROMA_MC8_MV0 must be defined to a (put|avg)_pixels8 function |
| */ |
| static void H264_CHROMA_MC8_TMPL(uint8_t *dst/*align 8*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y, const uint64_t *rnd_reg) |
| { |
| DECLARE_ALIGNED_8(uint64_t, AA); |
| DECLARE_ALIGNED_8(uint64_t, DD); |
| int i; |
| |
| if(y==0 && x==0) { |
| /* no filter needed */ |
| H264_CHROMA_MC8_MV0(dst, src, stride, h); |
| return; |
| } |
| |
| assert(x<8 && y<8 && x>=0 && y>=0); |
| |
| if(y==0 || x==0) |
| { |
| /* 1 dimensional filter only */ |
| const int dxy = x ? 1 : stride; |
| |
| __asm__ volatile( |
| "movd %0, %%mm5\n\t" |
| "movq %1, %%mm4\n\t" |
| "movq %2, %%mm6\n\t" /* mm6 = rnd >> 3 */ |
| "punpcklwd %%mm5, %%mm5\n\t" |
| "punpckldq %%mm5, %%mm5\n\t" /* mm5 = B = x */ |
| "pxor %%mm7, %%mm7\n\t" |
| "psubw %%mm5, %%mm4\n\t" /* mm4 = A = 8-x */ |
| :: "rm"(x+y), "m"(ff_pw_8), "m"(*(rnd_reg+1))); |
| |
| for(i=0; i<h; i++) { |
| __asm__ volatile( |
| /* mm0 = src[0..7], mm1 = src[1..8] */ |
| "movq %0, %%mm0\n\t" |
| "movq %1, %%mm2\n\t" |
| :: "m"(src[0]), "m"(src[dxy])); |
| |
| __asm__ volatile( |
| /* [mm0,mm1] = A * src[0..7] */ |
| /* [mm2,mm3] = B * src[1..8] */ |
| "movq %%mm0, %%mm1\n\t" |
| "movq %%mm2, %%mm3\n\t" |
| "punpcklbw %%mm7, %%mm0\n\t" |
| "punpckhbw %%mm7, %%mm1\n\t" |
| "punpcklbw %%mm7, %%mm2\n\t" |
| "punpckhbw %%mm7, %%mm3\n\t" |
| "pmullw %%mm4, %%mm0\n\t" |
| "pmullw %%mm4, %%mm1\n\t" |
| "pmullw %%mm5, %%mm2\n\t" |
| "pmullw %%mm5, %%mm3\n\t" |
| |
| /* dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 */ |
| "paddw %%mm6, %%mm0\n\t" |
| "paddw %%mm6, %%mm1\n\t" |
| "paddw %%mm2, %%mm0\n\t" |
| "paddw %%mm3, %%mm1\n\t" |
| "psrlw $3, %%mm0\n\t" |
| "psrlw $3, %%mm1\n\t" |
| "packuswb %%mm1, %%mm0\n\t" |
| H264_CHROMA_OP(%0, %%mm0) |
| "movq %%mm0, %0\n\t" |
| : "=m" (dst[0])); |
| |
| src += stride; |
| dst += stride; |
| } |
| return; |
| } |
| |
| /* general case, bilinear */ |
| __asm__ volatile("movd %2, %%mm4\n\t" |
| "movd %3, %%mm6\n\t" |
| "punpcklwd %%mm4, %%mm4\n\t" |
| "punpcklwd %%mm6, %%mm6\n\t" |
| "punpckldq %%mm4, %%mm4\n\t" /* mm4 = x words */ |
| "punpckldq %%mm6, %%mm6\n\t" /* mm6 = y words */ |
| "movq %%mm4, %%mm5\n\t" |
| "pmullw %%mm6, %%mm4\n\t" /* mm4 = x * y */ |
| "psllw $3, %%mm5\n\t" |
| "psllw $3, %%mm6\n\t" |
| "movq %%mm5, %%mm7\n\t" |
| "paddw %%mm6, %%mm7\n\t" |
| "movq %%mm4, %1\n\t" /* DD = x * y */ |
| "psubw %%mm4, %%mm5\n\t" /* mm5 = B = 8x - xy */ |
| "psubw %%mm4, %%mm6\n\t" /* mm6 = C = 8y - xy */ |
| "paddw %4, %%mm4\n\t" |
| "psubw %%mm7, %%mm4\n\t" /* mm4 = A = xy - (8x+8y) + 64 */ |
| "pxor %%mm7, %%mm7\n\t" |
| "movq %%mm4, %0\n\t" |
| : "=m" (AA), "=m" (DD) : "rm" (x), "rm" (y), "m" (ff_pw_64)); |
| |
| __asm__ volatile( |
| /* mm0 = src[0..7], mm1 = src[1..8] */ |
| "movq %0, %%mm0\n\t" |
| "movq %1, %%mm1\n\t" |
| : : "m" (src[0]), "m" (src[1])); |
| |
| for(i=0; i<h; i++) { |
| src += stride; |
| |
| __asm__ volatile( |
| /* mm2 = A * src[0..3] + B * src[1..4] */ |
| /* mm3 = A * src[4..7] + B * src[5..8] */ |
| "movq %%mm0, %%mm2\n\t" |
| "movq %%mm1, %%mm3\n\t" |
| "punpckhbw %%mm7, %%mm0\n\t" |
| "punpcklbw %%mm7, %%mm1\n\t" |
| "punpcklbw %%mm7, %%mm2\n\t" |
| "punpckhbw %%mm7, %%mm3\n\t" |
| "pmullw %0, %%mm0\n\t" |
| "pmullw %0, %%mm2\n\t" |
| "pmullw %%mm5, %%mm1\n\t" |
| "pmullw %%mm5, %%mm3\n\t" |
| "paddw %%mm1, %%mm2\n\t" |
| "paddw %%mm0, %%mm3\n\t" |
| : : "m" (AA)); |
| |
| __asm__ volatile( |
| /* [mm2,mm3] += C * src[0..7] */ |
| "movq %0, %%mm0\n\t" |
| "movq %%mm0, %%mm1\n\t" |
| "punpcklbw %%mm7, %%mm0\n\t" |
| "punpckhbw %%mm7, %%mm1\n\t" |
| "pmullw %%mm6, %%mm0\n\t" |
| "pmullw %%mm6, %%mm1\n\t" |
| "paddw %%mm0, %%mm2\n\t" |
| "paddw %%mm1, %%mm3\n\t" |
| : : "m" (src[0])); |
| |
| __asm__ volatile( |
| /* [mm2,mm3] += D * src[1..8] */ |
| "movq %1, %%mm1\n\t" |
| "movq %%mm1, %%mm0\n\t" |
| "movq %%mm1, %%mm4\n\t" |
| "punpcklbw %%mm7, %%mm0\n\t" |
| "punpckhbw %%mm7, %%mm4\n\t" |
| "pmullw %2, %%mm0\n\t" |
| "pmullw %2, %%mm4\n\t" |
| "paddw %%mm0, %%mm2\n\t" |
| "paddw %%mm4, %%mm3\n\t" |
| "movq %0, %%mm0\n\t" |
| : : "m" (src[0]), "m" (src[1]), "m" (DD)); |
| |
| __asm__ volatile( |
| /* dst[0..7] = ([mm2,mm3] + rnd) >> 6 */ |
| "paddw %1, %%mm2\n\t" |
| "paddw %1, %%mm3\n\t" |
| "psrlw $6, %%mm2\n\t" |
| "psrlw $6, %%mm3\n\t" |
| "packuswb %%mm3, %%mm2\n\t" |
| H264_CHROMA_OP(%0, %%mm2) |
| "movq %%mm2, %0\n\t" |
| : "=m" (dst[0]) : "m" (*rnd_reg)); |
| dst+= stride; |
| } |
| } |
| |
| static void H264_CHROMA_MC4_TMPL(uint8_t *dst/*align 4*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y, const uint64_t *rnd_reg) |
| { |
| __asm__ volatile( |
| "pxor %%mm7, %%mm7 \n\t" |
| "movd %5, %%mm2 \n\t" |
| "movd %6, %%mm3 \n\t" |
| "movq "MANGLE(ff_pw_8)", %%mm4\n\t" |
| "movq "MANGLE(ff_pw_8)", %%mm5\n\t" |
| "punpcklwd %%mm2, %%mm2 \n\t" |
| "punpcklwd %%mm3, %%mm3 \n\t" |
| "punpcklwd %%mm2, %%mm2 \n\t" |
| "punpcklwd %%mm3, %%mm3 \n\t" |
| "psubw %%mm2, %%mm4 \n\t" |
| "psubw %%mm3, %%mm5 \n\t" |
| |
| "movd (%1), %%mm0 \n\t" |
| "movd 1(%1), %%mm6 \n\t" |
| "add %3, %1 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm6 \n\t" |
| "pmullw %%mm4, %%mm0 \n\t" |
| "pmullw %%mm2, %%mm6 \n\t" |
| "paddw %%mm0, %%mm6 \n\t" |
| |
| "1: \n\t" |
| "movd (%1), %%mm0 \n\t" |
| "movd 1(%1), %%mm1 \n\t" |
| "add %3, %1 \n\t" |
| "punpcklbw %%mm7, %%mm0 \n\t" |
| "punpcklbw %%mm7, %%mm1 \n\t" |
| "pmullw %%mm4, %%mm0 \n\t" |
| "pmullw %%mm2, %%mm1 \n\t" |
| "paddw %%mm0, %%mm1 \n\t" |
| "movq %%mm1, %%mm0 \n\t" |
| "pmullw %%mm5, %%mm6 \n\t" |
| "pmullw %%mm3, %%mm1 \n\t" |
| "paddw %4, %%mm6 \n\t" |
| "paddw %%mm6, %%mm1 \n\t" |
| "psrlw $6, %%mm1 \n\t" |
| "packuswb %%mm1, %%mm1 \n\t" |
| H264_CHROMA_OP4((%0), %%mm1, %%mm6) |
| "movd %%mm1, (%0) \n\t" |
| "add %3, %0 \n\t" |
| "movd (%1), %%mm6 \n\t" |
| "movd 1(%1), %%mm1 \n\t" |
| "add %3, %1 \n\t" |
| "punpcklbw %%mm7, %%mm6 \n\t" |
| "punpcklbw %%mm7, %%mm1 \n\t" |
| "pmullw %%mm4, %%mm6 \n\t" |
| "pmullw %%mm2, %%mm1 \n\t" |
| "paddw %%mm6, %%mm1 \n\t" |
| "movq %%mm1, %%mm6 \n\t" |
| "pmullw %%mm5, %%mm0 \n\t" |
| "pmullw %%mm3, %%mm1 \n\t" |
| "paddw %4, %%mm0 \n\t" |
| "paddw %%mm0, %%mm1 \n\t" |
| "psrlw $6, %%mm1 \n\t" |
| "packuswb %%mm1, %%mm1 \n\t" |
| H264_CHROMA_OP4((%0), %%mm1, %%mm0) |
| "movd %%mm1, (%0) \n\t" |
| "add %3, %0 \n\t" |
| "sub $2, %2 \n\t" |
| "jnz 1b \n\t" |
| : "+r"(dst), "+r"(src), "+r"(h) |
| : "r"((x86_reg)stride), "m"(*rnd_reg), "m"(x), "m"(y) |
| ); |
| } |
| |
| #ifdef H264_CHROMA_MC2_TMPL |
| static void H264_CHROMA_MC2_TMPL(uint8_t *dst/*align 2*/, uint8_t *src/*align 1*/, int stride, int h, int x, int y) |
| { |
| int tmp = ((1<<16)-1)*x + 8; |
| int CD= tmp*y; |
| int AB= (tmp<<3) - CD; |
| __asm__ volatile( |
| /* mm5 = {A,B,A,B} */ |
| /* mm6 = {C,D,C,D} */ |
| "movd %0, %%mm5\n\t" |
| "movd %1, %%mm6\n\t" |
| "punpckldq %%mm5, %%mm5\n\t" |
| "punpckldq %%mm6, %%mm6\n\t" |
| "pxor %%mm7, %%mm7\n\t" |
| /* mm0 = src[0,1,1,2] */ |
| "movd %2, %%mm2\n\t" |
| "punpcklbw %%mm7, %%mm2\n\t" |
| "pshufw $0x94, %%mm2, %%mm2\n\t" |
| :: "r"(AB), "r"(CD), "m"(src[0])); |
| |
| |
| __asm__ volatile( |
| "1:\n\t" |
| "add %4, %1\n\t" |
| /* mm1 = A * src[0,1] + B * src[1,2] */ |
| "movq %%mm2, %%mm1\n\t" |
| "pmaddwd %%mm5, %%mm1\n\t" |
| /* mm0 = src[0,1,1,2] */ |
| "movd (%1), %%mm0\n\t" |
| "punpcklbw %%mm7, %%mm0\n\t" |
| "pshufw $0x94, %%mm0, %%mm0\n\t" |
| /* mm1 += C * src[0,1] + D * src[1,2] */ |
| "movq %%mm0, %%mm2\n\t" |
| "pmaddwd %%mm6, %%mm0\n\t" |
| "paddw %3, %%mm1\n\t" |
| "paddw %%mm0, %%mm1\n\t" |
| /* dst[0,1] = pack((mm1 + 32) >> 6) */ |
| "psrlw $6, %%mm1\n\t" |
| "packssdw %%mm7, %%mm1\n\t" |
| "packuswb %%mm7, %%mm1\n\t" |
| H264_CHROMA_OP4((%0), %%mm1, %%mm3) |
| "movd %%mm1, %%esi\n\t" |
| "movw %%si, (%0)\n\t" |
| "add %4, %0\n\t" |
| "sub $1, %2\n\t" |
| "jnz 1b\n\t" |
| : "+r" (dst), "+r"(src), "+r"(h) |
| : "m" (ff_pw_32), "r"((x86_reg)stride) |
| : "%esi"); |
| |
| } |
| #endif |
| |
