mirror of https://git.ffmpeg.org/ffmpeg.git
664 lines
17 KiB
NASM
664 lines
17 KiB
NASM
;******************************************************************************
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;* MMX/SSSE3-optimized functions for H.264 chroma MC
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;* Copyright (c) 2005 Zoltan Hidvegi <hzoli -a- hzoli -d- com>,
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;* 2005-2008 Loren Merritt
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;*
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;* This file is part of FFmpeg.
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;*
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;* FFmpeg is free software; you can redistribute it and/or
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;* modify it under the terms of the GNU Lesser General Public
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;* License as published by the Free Software Foundation; either
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;* version 2.1 of the License, or (at your option) any later version.
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;*
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;* FFmpeg is distributed in the hope that it will be useful,
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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;* Lesser General Public License for more details.
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;*
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;* You should have received a copy of the GNU Lesser General Public
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;* License along with FFmpeg; if not, write to the Free Software
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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;******************************************************************************
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%include "libavutil/x86/x86util.asm"
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SECTION_RODATA
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rnd_rv40_2d_tbl: times 4 dw 0
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times 4 dw 16
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times 4 dw 32
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times 4 dw 16
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times 4 dw 32
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times 4 dw 28
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times 4 dw 32
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times 4 dw 28
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times 4 dw 0
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times 4 dw 32
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times 4 dw 16
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times 4 dw 32
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times 4 dw 32
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times 4 dw 28
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times 4 dw 32
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times 4 dw 28
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rnd_rv40_1d_tbl: times 4 dw 0
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times 4 dw 2
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times 4 dw 4
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times 4 dw 2
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times 4 dw 4
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times 4 dw 3
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times 4 dw 4
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times 4 dw 3
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times 4 dw 0
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times 4 dw 4
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times 4 dw 2
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times 4 dw 4
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times 4 dw 4
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times 4 dw 3
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times 4 dw 4
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times 4 dw 3
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cextern pw_3
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cextern pw_4
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cextern pw_8
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pw_28: times 8 dw 28
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cextern pw_32
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cextern pw_64
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SECTION .text
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%macro mv0_pixels_mc8 0
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lea r4, [r2*2 ]
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.next4rows:
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movq mm0, [r1 ]
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movq mm1, [r1+r2]
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add r1, r4
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CHROMAMC_AVG mm0, [r0 ]
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CHROMAMC_AVG mm1, [r0+r2]
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movq [r0 ], mm0
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movq [r0+r2], mm1
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add r0, r4
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movq mm0, [r1 ]
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movq mm1, [r1+r2]
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add r1, r4
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CHROMAMC_AVG mm0, [r0 ]
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CHROMAMC_AVG mm1, [r0+r2]
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movq [r0 ], mm0
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movq [r0+r2], mm1
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add r0, r4
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sub r3d, 4
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jne .next4rows
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%endmacro
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%macro chroma_mc8_mmx_func 2-3
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%ifidn %2, rv40
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%ifdef PIC
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%define rnd_1d_rv40 r8
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%define rnd_2d_rv40 r8
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%define extra_regs 2
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%else ; no-PIC
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%define rnd_1d_rv40 rnd_rv40_1d_tbl
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%define rnd_2d_rv40 rnd_rv40_2d_tbl
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%define extra_regs 1
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%endif ; PIC
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%else
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%define extra_regs 0
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%endif ; rv40
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; void ff_put/avg_h264_chroma_mc8_*(uint8_t *dst /* align 8 */,
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; uint8_t *src /* align 1 */,
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; ptrdiff_t stride, int h, int mx, int my)
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cglobal %1_%2_chroma_mc8%3, 6, 7 + extra_regs, 0
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mov r6d, r5d
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or r6d, r4d
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jne .at_least_one_non_zero
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; mx == 0 AND my == 0 - no filter needed
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mv0_pixels_mc8
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REP_RET
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.at_least_one_non_zero:
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%ifidn %2, rv40
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%if ARCH_X86_64
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mov r7, r5
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and r7, 6 ; &~1 for mx/my=[0,7]
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lea r7, [r7*4+r4]
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sar r7d, 1
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%define rnd_bias r7
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%define dest_reg r0
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%else ; x86-32
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mov r0, r5
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and r0, 6 ; &~1 for mx/my=[0,7]
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lea r0, [r0*4+r4]
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sar r0d, 1
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%define rnd_bias r0
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%define dest_reg r5
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%endif
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%else ; vc1, h264
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%define rnd_bias 0
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%define dest_reg r0
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%endif
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test r5d, r5d
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mov r6, 1
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je .my_is_zero
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test r4d, r4d
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mov r6, r2 ; dxy = x ? 1 : stride
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jne .both_non_zero
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.my_is_zero:
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; mx == 0 XOR my == 0 - 1 dimensional filter only
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or r4d, r5d ; x + y
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%ifidn %2, rv40
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%ifdef PIC
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lea r8, [rnd_rv40_1d_tbl]
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%endif
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%if ARCH_X86_64 == 0
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mov r5, r0m
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%endif
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%endif
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movd m5, r4d
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movq m4, [pw_8]
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movq m6, [rnd_1d_%2+rnd_bias*8] ; mm6 = rnd >> 3
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punpcklwd m5, m5
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punpckldq m5, m5 ; mm5 = B = x
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pxor m7, m7
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psubw m4, m5 ; mm4 = A = 8-x
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.next1drow:
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movq m0, [r1 ] ; mm0 = src[0..7]
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movq m2, [r1+r6] ; mm1 = src[1..8]
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movq m1, m0
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movq m3, m2
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punpcklbw m0, m7
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punpckhbw m1, m7
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punpcklbw m2, m7
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punpckhbw m3, m7
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pmullw m0, m4 ; [mm0,mm1] = A * src[0..7]
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pmullw m1, m4
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pmullw m2, m5 ; [mm2,mm3] = B * src[1..8]
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pmullw m3, m5
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paddw m0, m6
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paddw m1, m6
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paddw m0, m2
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paddw m1, m3
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psrlw m0, 3
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psrlw m1, 3
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packuswb m0, m1
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CHROMAMC_AVG m0, [dest_reg]
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movq [dest_reg], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3
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add dest_reg, r2
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add r1, r2
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dec r3d
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jne .next1drow
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REP_RET
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.both_non_zero: ; general case, bilinear
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movd m4, r4d ; x
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movd m6, r5d ; y
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%ifidn %2, rv40
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%ifdef PIC
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lea r8, [rnd_rv40_2d_tbl]
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%endif
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%if ARCH_X86_64 == 0
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mov r5, r0m
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%endif
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%endif
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mov r6, rsp ; backup stack pointer
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and rsp, ~(mmsize-1) ; align stack
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sub rsp, 16 ; AA and DD
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punpcklwd m4, m4
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punpcklwd m6, m6
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punpckldq m4, m4 ; mm4 = x words
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punpckldq m6, m6 ; mm6 = y words
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movq m5, m4
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pmullw m4, m6 ; mm4 = x * y
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psllw m5, 3
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psllw m6, 3
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movq m7, m5
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paddw m7, m6
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movq [rsp+8], m4 ; DD = x * y
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psubw m5, m4 ; mm5 = B = 8x - xy
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psubw m6, m4 ; mm6 = C = 8y - xy
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paddw m4, [pw_64]
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psubw m4, m7 ; mm4 = A = xy - (8x+8y) + 64
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pxor m7, m7
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movq [rsp ], m4
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movq m0, [r1 ] ; mm0 = src[0..7]
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movq m1, [r1+1] ; mm1 = src[1..8]
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.next2drow:
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add r1, r2
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movq m2, m0
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movq m3, m1
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punpckhbw m0, m7
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punpcklbw m1, m7
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punpcklbw m2, m7
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punpckhbw m3, m7
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pmullw m0, [rsp]
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pmullw m2, [rsp]
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pmullw m1, m5
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pmullw m3, m5
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paddw m2, m1 ; mm2 = A * src[0..3] + B * src[1..4]
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paddw m3, m0 ; mm3 = A * src[4..7] + B * src[5..8]
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movq m0, [r1]
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movq m1, m0
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punpcklbw m0, m7
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punpckhbw m1, m7
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pmullw m0, m6
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pmullw m1, m6
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paddw m2, m0
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paddw m3, m1 ; [mm2,mm3] += C * src[0..7]
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movq m1, [r1+1]
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movq m0, m1
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movq m4, m1
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punpcklbw m0, m7
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punpckhbw m4, m7
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pmullw m0, [rsp+8]
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pmullw m4, [rsp+8]
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paddw m2, m0
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paddw m3, m4 ; [mm2,mm3] += D * src[1..8]
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movq m0, [r1]
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paddw m2, [rnd_2d_%2+rnd_bias*8]
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paddw m3, [rnd_2d_%2+rnd_bias*8]
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psrlw m2, 6
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psrlw m3, 6
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packuswb m2, m3
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CHROMAMC_AVG m2, [dest_reg]
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movq [dest_reg], m2 ; dst[0..7] = ([mm2,mm3] + rnd) >> 6
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add dest_reg, r2
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dec r3d
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jne .next2drow
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mov rsp, r6 ; restore stack pointer
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RET
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%endmacro
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%macro chroma_mc4_mmx_func 2
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%define extra_regs 0
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%ifidn %2, rv40
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%ifdef PIC
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%define extra_regs 1
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%endif ; PIC
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%endif ; rv40
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cglobal %1_%2_chroma_mc4, 6, 6 + extra_regs, 0
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pxor m7, m7
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movd m2, r4d ; x
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movd m3, r5d ; y
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movq m4, [pw_8]
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movq m5, [pw_8]
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punpcklwd m2, m2
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punpcklwd m3, m3
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punpcklwd m2, m2
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punpcklwd m3, m3
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psubw m4, m2
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psubw m5, m3
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%ifidn %2, rv40
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%ifdef PIC
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lea r6, [rnd_rv40_2d_tbl]
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%define rnd_2d_rv40 r6
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%else
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%define rnd_2d_rv40 rnd_rv40_2d_tbl
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%endif
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and r5, 6 ; &~1 for mx/my=[0,7]
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lea r5, [r5*4+r4]
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sar r5d, 1
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%define rnd_bias r5
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%else ; vc1, h264
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%define rnd_bias 0
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%endif
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movd m0, [r1 ]
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movd m6, [r1+1]
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add r1, r2
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punpcklbw m0, m7
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punpcklbw m6, m7
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pmullw m0, m4
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pmullw m6, m2
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paddw m6, m0
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.next2rows:
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movd m0, [r1 ]
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movd m1, [r1+1]
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add r1, r2
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punpcklbw m0, m7
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punpcklbw m1, m7
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pmullw m0, m4
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pmullw m1, m2
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paddw m1, m0
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movq m0, m1
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pmullw m6, m5
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pmullw m1, m3
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paddw m6, [rnd_2d_%2+rnd_bias*8]
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paddw m1, m6
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psrlw m1, 6
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packuswb m1, m1
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CHROMAMC_AVG4 m1, m6, [r0]
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movd [r0], m1
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add r0, r2
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movd m6, [r1 ]
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movd m1, [r1+1]
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add r1, r2
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punpcklbw m6, m7
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punpcklbw m1, m7
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pmullw m6, m4
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pmullw m1, m2
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paddw m1, m6
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movq m6, m1
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pmullw m0, m5
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pmullw m1, m3
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paddw m0, [rnd_2d_%2+rnd_bias*8]
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paddw m1, m0
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psrlw m1, 6
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packuswb m1, m1
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CHROMAMC_AVG4 m1, m0, [r0]
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movd [r0], m1
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add r0, r2
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sub r3d, 2
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jnz .next2rows
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REP_RET
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%endmacro
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%macro chroma_mc2_mmx_func 2
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cglobal %1_%2_chroma_mc2, 6, 7, 0
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mov r6d, r4d
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shl r4d, 16
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sub r4d, r6d
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add r4d, 8
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imul r5d, r4d ; x*y<<16 | y*(8-x)
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shl r4d, 3
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sub r4d, r5d ; x*(8-y)<<16 | (8-x)*(8-y)
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movd m5, r4d
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movd m6, r5d
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punpckldq m5, m5 ; mm5 = {A,B,A,B}
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punpckldq m6, m6 ; mm6 = {C,D,C,D}
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pxor m7, m7
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movd m2, [r1]
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punpcklbw m2, m7
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pshufw m2, m2, 0x94 ; mm0 = src[0,1,1,2]
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.nextrow:
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add r1, r2
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movq m1, m2
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pmaddwd m1, m5 ; mm1 = A * src[0,1] + B * src[1,2]
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movd m0, [r1]
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punpcklbw m0, m7
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pshufw m0, m0, 0x94 ; mm0 = src[0,1,1,2]
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movq m2, m0
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pmaddwd m0, m6
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paddw m1, [rnd_2d_%2]
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paddw m1, m0 ; mm1 += C * src[0,1] + D * src[1,2]
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psrlw m1, 6
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packssdw m1, m7
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packuswb m1, m7
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CHROMAMC_AVG4 m1, m3, [r0]
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movd r5d, m1
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mov [r0], r5w
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add r0, r2
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sub r3d, 1
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jnz .nextrow
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REP_RET
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%endmacro
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%define rnd_1d_h264 pw_4
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%define rnd_2d_h264 pw_32
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%define rnd_1d_vc1 pw_3
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%define rnd_2d_vc1 pw_28
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%macro NOTHING 2-3
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%endmacro
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%macro DIRECT_AVG 2
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PAVGB %1, %2
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%endmacro
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%macro COPY_AVG 3
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movd %2, %3
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PAVGB %1, %2
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%endmacro
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INIT_MMX mmx
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%define CHROMAMC_AVG NOTHING
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%define CHROMAMC_AVG4 NOTHING
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chroma_mc8_mmx_func put, h264, _rnd
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chroma_mc8_mmx_func put, vc1, _nornd
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chroma_mc8_mmx_func put, rv40
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chroma_mc4_mmx_func put, h264
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chroma_mc4_mmx_func put, rv40
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INIT_MMX mmxext
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chroma_mc2_mmx_func put, h264
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%define CHROMAMC_AVG DIRECT_AVG
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%define CHROMAMC_AVG4 COPY_AVG
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chroma_mc8_mmx_func avg, h264, _rnd
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chroma_mc8_mmx_func avg, vc1, _nornd
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chroma_mc8_mmx_func avg, rv40
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chroma_mc4_mmx_func avg, h264
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chroma_mc4_mmx_func avg, rv40
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chroma_mc2_mmx_func avg, h264
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INIT_MMX 3dnow
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chroma_mc8_mmx_func avg, h264, _rnd
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chroma_mc8_mmx_func avg, vc1, _nornd
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chroma_mc8_mmx_func avg, rv40
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chroma_mc4_mmx_func avg, h264
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chroma_mc4_mmx_func avg, rv40
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%macro chroma_mc8_ssse3_func 2-3
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cglobal %1_%2_chroma_mc8%3, 6, 7, 8
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mov r6d, r5d
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or r6d, r4d
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jne .at_least_one_non_zero
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; mx == 0 AND my == 0 - no filter needed
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mv0_pixels_mc8
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REP_RET
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.at_least_one_non_zero:
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test r5d, r5d
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je .my_is_zero
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test r4d, r4d
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je .mx_is_zero
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; general case, bilinear
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mov r6d, r4d
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shl r4d, 8
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sub r4, r6
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mov r6, 8
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add r4, 8 ; x*288+8 = x<<8 | (8-x)
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sub r6d, r5d
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imul r6, r4 ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x)
|
|
imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x)
|
|
|
|
movd m7, r6d
|
|
movd m6, r4d
|
|
movdqa m5, [rnd_2d_%2]
|
|
movq m0, [r1 ]
|
|
movq m1, [r1+1]
|
|
pshuflw m7, m7, 0
|
|
pshuflw m6, m6, 0
|
|
punpcklbw m0, m1
|
|
movlhps m7, m7
|
|
movlhps m6, m6
|
|
|
|
.next2rows:
|
|
movq m1, [r1+r2*1 ]
|
|
movq m2, [r1+r2*1+1]
|
|
movq m3, [r1+r2*2 ]
|
|
movq m4, [r1+r2*2+1]
|
|
lea r1, [r1+r2*2]
|
|
punpcklbw m1, m2
|
|
movdqa m2, m1
|
|
punpcklbw m3, m4
|
|
movdqa m4, m3
|
|
pmaddubsw m0, m7
|
|
pmaddubsw m1, m6
|
|
pmaddubsw m2, m7
|
|
pmaddubsw m3, m6
|
|
paddw m0, m5
|
|
paddw m2, m5
|
|
paddw m1, m0
|
|
paddw m3, m2
|
|
psrlw m1, 6
|
|
movdqa m0, m4
|
|
psrlw m3, 6
|
|
%ifidn %1, avg
|
|
movq m2, [r0 ]
|
|
movhps m2, [r0+r2]
|
|
%endif
|
|
packuswb m1, m3
|
|
CHROMAMC_AVG m1, m2
|
|
movq [r0 ], m1
|
|
movhps [r0+r2], m1
|
|
sub r3d, 2
|
|
lea r0, [r0+r2*2]
|
|
jg .next2rows
|
|
REP_RET
|
|
|
|
.my_is_zero:
|
|
mov r5d, r4d
|
|
shl r4d, 8
|
|
add r4, 8
|
|
sub r4, r5 ; 255*x+8 = x<<8 | (8-x)
|
|
movd m7, r4d
|
|
movdqa m6, [rnd_1d_%2]
|
|
pshuflw m7, m7, 0
|
|
movlhps m7, m7
|
|
|
|
.next2xrows:
|
|
movq m0, [r1 ]
|
|
movq m1, [r1 +1]
|
|
movq m2, [r1+r2 ]
|
|
movq m3, [r1+r2+1]
|
|
punpcklbw m0, m1
|
|
punpcklbw m2, m3
|
|
pmaddubsw m0, m7
|
|
pmaddubsw m2, m7
|
|
%ifidn %1, avg
|
|
movq m4, [r0 ]
|
|
movhps m4, [r0+r2]
|
|
%endif
|
|
paddw m0, m6
|
|
paddw m2, m6
|
|
psrlw m0, 3
|
|
psrlw m2, 3
|
|
packuswb m0, m2
|
|
CHROMAMC_AVG m0, m4
|
|
movq [r0 ], m0
|
|
movhps [r0+r2], m0
|
|
sub r3d, 2
|
|
lea r0, [r0+r2*2]
|
|
lea r1, [r1+r2*2]
|
|
jg .next2xrows
|
|
REP_RET
|
|
|
|
.mx_is_zero:
|
|
mov r4d, r5d
|
|
shl r5d, 8
|
|
add r5, 8
|
|
sub r5, r4 ; 255*y+8 = y<<8 | (8-y)
|
|
movd m7, r5d
|
|
movdqa m6, [rnd_1d_%2]
|
|
pshuflw m7, m7, 0
|
|
movlhps m7, m7
|
|
|
|
.next2yrows:
|
|
movq m0, [r1 ]
|
|
movq m1, [r1+r2 ]
|
|
movdqa m2, m1
|
|
movq m3, [r1+r2*2]
|
|
lea r1, [r1+r2*2]
|
|
punpcklbw m0, m1
|
|
punpcklbw m2, m3
|
|
pmaddubsw m0, m7
|
|
pmaddubsw m2, m7
|
|
%ifidn %1, avg
|
|
movq m4, [r0 ]
|
|
movhps m4, [r0+r2]
|
|
%endif
|
|
paddw m0, m6
|
|
paddw m2, m6
|
|
psrlw m0, 3
|
|
psrlw m2, 3
|
|
packuswb m0, m2
|
|
CHROMAMC_AVG m0, m4
|
|
movq [r0 ], m0
|
|
movhps [r0+r2], m0
|
|
sub r3d, 2
|
|
lea r0, [r0+r2*2]
|
|
jg .next2yrows
|
|
REP_RET
|
|
%endmacro
|
|
|
|
%macro chroma_mc4_ssse3_func 2
|
|
cglobal %1_%2_chroma_mc4, 6, 7, 0
|
|
mov r6, r4
|
|
shl r4d, 8
|
|
sub r4d, r6d
|
|
mov r6, 8
|
|
add r4d, 8 ; x*288+8
|
|
sub r6d, r5d
|
|
imul r6d, r4d ; (8-y)*(x*255+8) = (8-y)*x<<8 | (8-y)*(8-x)
|
|
imul r4d, r5d ; y *(x*255+8) = y *x<<8 | y *(8-x)
|
|
|
|
movd m7, r6d
|
|
movd m6, r4d
|
|
movq m5, [pw_32]
|
|
movd m0, [r1 ]
|
|
pshufw m7, m7, 0
|
|
punpcklbw m0, [r1+1]
|
|
pshufw m6, m6, 0
|
|
|
|
.next2rows:
|
|
movd m1, [r1+r2*1 ]
|
|
movd m3, [r1+r2*2 ]
|
|
punpcklbw m1, [r1+r2*1+1]
|
|
punpcklbw m3, [r1+r2*2+1]
|
|
lea r1, [r1+r2*2]
|
|
movq m2, m1
|
|
movq m4, m3
|
|
pmaddubsw m0, m7
|
|
pmaddubsw m1, m6
|
|
pmaddubsw m2, m7
|
|
pmaddubsw m3, m6
|
|
paddw m0, m5
|
|
paddw m2, m5
|
|
paddw m1, m0
|
|
paddw m3, m2
|
|
psrlw m1, 6
|
|
movq m0, m4
|
|
psrlw m3, 6
|
|
packuswb m1, m1
|
|
packuswb m3, m3
|
|
CHROMAMC_AVG m1, [r0 ]
|
|
CHROMAMC_AVG m3, [r0+r2]
|
|
movd [r0 ], m1
|
|
movd [r0+r2], m3
|
|
sub r3d, 2
|
|
lea r0, [r0+r2*2]
|
|
jg .next2rows
|
|
REP_RET
|
|
%endmacro
|
|
|
|
%define CHROMAMC_AVG NOTHING
|
|
INIT_XMM ssse3
|
|
chroma_mc8_ssse3_func put, h264, _rnd
|
|
chroma_mc8_ssse3_func put, vc1, _nornd
|
|
INIT_MMX ssse3
|
|
chroma_mc4_ssse3_func put, h264
|
|
|
|
%define CHROMAMC_AVG DIRECT_AVG
|
|
INIT_XMM ssse3
|
|
chroma_mc8_ssse3_func avg, h264, _rnd
|
|
chroma_mc8_ssse3_func avg, vc1, _nornd
|
|
INIT_MMX ssse3
|
|
chroma_mc4_ssse3_func avg, h264
|