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267 lines
7.7 KiB
267 lines
7.7 KiB
;***************************************************************************** |
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;* MMX/SSE2/AVX-optimized 10-bit H.264 chroma MC code |
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;***************************************************************************** |
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;* Copyright (C) 2005-2011 x264 project |
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;* |
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;* Authors: Daniel Kang <daniel.d.kang@gmail.com> |
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;* |
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;* This file is part of Libav. |
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;* |
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;* Libav 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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;* Libav 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 Libav; 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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cextern pw_4 |
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cextern pw_8 |
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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*3 ] |
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lea r5, [r2*4 ] |
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.next4rows: |
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movu m0, [r1 ] |
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movu m1, [r1+r2 ] |
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CHROMAMC_AVG m0, [r0 ] |
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CHROMAMC_AVG m1, [r0+r2 ] |
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mova [r0 ], m0 |
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mova [r0+r2 ], m1 |
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movu m0, [r1+r2*2] |
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movu m1, [r1+r4 ] |
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CHROMAMC_AVG m0, [r0+r2*2] |
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CHROMAMC_AVG m1, [r0+r4 ] |
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mova [r0+r2*2], m0 |
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mova [r0+r4 ], m1 |
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add r1, r5 |
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add r0, r5 |
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sub r3d, 4 |
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jne .next4rows |
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%endmacro |
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;----------------------------------------------------------------------------- |
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; void put/avg_h264_chroma_mc8(pixel *dst, pixel *src, int stride, int h, int mx, int my) |
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;----------------------------------------------------------------------------- |
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%macro CHROMA_MC8 1 |
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; put/avg_h264_chroma_mc8_*(uint8_t *dst /*align 8*/, uint8_t *src /*align 1*/, |
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; int stride, int h, int mx, int my) |
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cglobal %1_h264_chroma_mc8_10, 6,7,8 |
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movsxdifnidn r2, r2d |
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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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mov r6d, 2 |
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test r5d, r5d |
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je .x_interpolation |
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mov r6, r2 ; dxy = x ? 1 : stride |
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test r4d, r4d |
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jne .xy_interpolation |
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.x_interpolation: |
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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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movd m5, r4d |
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mova m4, [pw_8] |
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mova m6, [pw_4] ; mm6 = rnd >> 3 |
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SPLATW m5, m5 ; mm5 = B = x |
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psubw m4, m5 ; mm4 = A = 8-x |
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.next1drow: |
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movu m0, [r1 ] ; mm0 = src[0..7] |
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movu m2, [r1+r6] ; mm2 = src[1..8] |
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pmullw m0, m4 ; mm0 = A * src[0..7] |
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pmullw m2, m5 ; mm2 = B * src[1..8] |
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paddw m0, m6 |
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paddw m0, m2 |
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psrlw m0, 3 |
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CHROMAMC_AVG m0, [r0] |
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mova [r0], m0 ; dst[0..7] = (A * src[0..7] + B * src[1..8] + (rnd >> 3)) >> 3 |
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add r0, 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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.xy_interpolation: ; general case, bilinear |
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movd m4, r4m ; x |
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movd m6, r5m ; y |
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SPLATW m4, m4 ; mm4 = x words |
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SPLATW m6, m6 ; mm6 = y words |
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psllw m5, m4, 3 ; mm5 = 8x |
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pmullw m4, m6 ; mm4 = x * y |
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psllw m6, 3 ; mm6 = 8y |
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paddw m1, m5, m6 ; mm7 = 8x+8y |
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mova m7, 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, m1 ; mm4 = A = xy - (8x+8y) + 64 |
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movu m0, [r1 ] ; mm0 = src[0..7] |
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movu m1, [r1+2] ; mm1 = src[1..8] |
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.next2drow: |
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add r1, r2 |
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pmullw m2, m0, m4 |
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pmullw m1, m5 |
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paddw m2, m1 ; mm2 = A * src[0..7] + B * src[1..8] |
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movu m0, [r1] |
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movu m1, [r1+2] |
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pmullw m3, m0, m6 |
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paddw m2, m3 ; mm2 += C * src[0..7+strde] |
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pmullw m3, m1, m7 |
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paddw m2, m3 ; mm2 += D * src[1..8+strde] |
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paddw m2, [pw_32] |
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psrlw m2, 6 |
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CHROMAMC_AVG m2, [r0] |
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mova [r0], m2 ; dst[0..7] = (mm2 + 32) >> 6 |
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add r0, r2 |
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dec r3d |
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jne .next2drow |
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REP_RET |
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%endmacro |
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;----------------------------------------------------------------------------- |
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; void put/avg_h264_chroma_mc4(pixel *dst, pixel *src, int stride, int h, int mx, int my) |
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;----------------------------------------------------------------------------- |
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;TODO: xmm mc4 |
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%macro MC4_OP 2 |
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movq %1, [r1 ] |
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movq m1, [r1+2] |
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add r1, r2 |
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pmullw %1, m4 |
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pmullw m1, m2 |
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paddw m1, %1 |
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mova %1, m1 |
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pmullw %2, m5 |
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pmullw m1, m3 |
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paddw %2, [pw_32] |
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paddw m1, %2 |
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psrlw m1, 6 |
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CHROMAMC_AVG m1, %2, [r0] |
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movq [r0], m1 |
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add r0, r2 |
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%endmacro |
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%macro CHROMA_MC4 1 |
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cglobal %1_h264_chroma_mc4_10, 6,6,7 |
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movsxdifnidn r2, r2d |
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movd m2, r4m ; x |
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movd m3, r5m ; y |
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mova m4, [pw_8] |
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mova m5, m4 |
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SPLATW m2, m2 |
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SPLATW m3, m3 |
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psubw m4, m2 |
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psubw m5, m3 |
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movq m0, [r1 ] |
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movq m6, [r1+2] |
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add r1, r2 |
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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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MC4_OP m0, m6 |
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MC4_OP m6, m0 |
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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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;----------------------------------------------------------------------------- |
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; void put/avg_h264_chroma_mc2(pixel *dst, pixel *src, int stride, int h, int mx, int my) |
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;----------------------------------------------------------------------------- |
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%macro CHROMA_MC2 1 |
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cglobal %1_h264_chroma_mc2_10, 6,7 |
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movsxdifnidn r2, r2d |
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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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pshufw m2, [r1], 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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pshufw m0, [r1], 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, [pw_32] |
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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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CHROMAMC_AVG m1, m3, [r0] |
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movd [r0], m1 |
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add r0, r2 |
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dec r3d |
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jnz .nextrow |
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REP_RET |
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%endmacro |
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%macro NOTHING 2-3 |
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%endmacro |
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%macro AVG 2-3 |
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%if %0==3 |
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movq %2, %3 |
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%endif |
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pavgw %1, %2 |
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%endmacro |
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%define CHROMAMC_AVG NOTHING |
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INIT_XMM sse2 |
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CHROMA_MC8 put |
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INIT_XMM avx |
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CHROMA_MC8 put |
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INIT_MMX mmxext |
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CHROMA_MC4 put |
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CHROMA_MC2 put |
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%define CHROMAMC_AVG AVG |
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INIT_XMM sse2 |
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CHROMA_MC8 avg |
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INIT_XMM avx |
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CHROMA_MC8 avg |
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INIT_MMX mmxext |
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CHROMA_MC4 avg |
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CHROMA_MC2 avg
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