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269 lines
6.0 KiB
269 lines
6.0 KiB
;****************************************************************************** |
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;* SIMD-optimized HuffYUV functions |
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;* Copyright (c) 2008 Loren Merritt |
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;* Copyright (c) 2014 Christophe Gisquet |
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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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pb_f: times 16 db 15 |
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pb_zzzzzzzz77777777: times 8 db -1 |
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pb_7: times 8 db 7 |
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pb_zzzz3333zzzzbbbb: db -1,-1,-1,-1,3,3,3,3,-1,-1,-1,-1,11,11,11,11 |
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pb_zz11zz55zz99zzdd: db -1,-1,1,1,-1,-1,5,5,-1,-1,9,9,-1,-1,13,13 |
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SECTION_TEXT |
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; void ff_add_hfyu_median_pred_mmxext(uint8_t *dst, const uint8_t *top, |
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; const uint8_t *diff, int w, |
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; int *left, int *left_top) |
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%macro LSHIFT 2 |
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%if mmsize > 8 |
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pslldq %1, %2 |
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%else |
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psllq %1, 8*(%2) |
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%endif |
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%endmacro |
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%macro RSHIFT 2 |
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%if mmsize > 8 |
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psrldq %1, %2 |
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%else |
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psrlq %1, 8*(%2) |
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%endif |
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%endmacro |
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%macro HFYU_MEDIAN 0 |
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cglobal add_hfyu_median_pred, 6,6,8, dst, top, diff, w, left, left_top |
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movu m0, [topq] |
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mova m2, m0 |
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movd m4, [left_topq] |
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LSHIFT m2, 1 |
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mova m1, m0 |
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por m4, m2 |
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movd m3, [leftq] |
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psubb m0, m4 ; t-tl |
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add dstq, wq |
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add topq, wq |
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add diffq, wq |
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neg wq |
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jmp .skip |
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.loop: |
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movu m4, [topq+wq] |
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mova m0, m4 |
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LSHIFT m4, 1 |
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por m4, m1 |
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mova m1, m0 ; t |
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psubb m0, m4 ; t-tl |
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.skip: |
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movu m2, [diffq+wq] |
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%assign i 0 |
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%rep mmsize |
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mova m4, m0 |
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paddb m4, m3 ; t-tl+l |
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mova m5, m3 |
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pmaxub m3, m1 |
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pminub m5, m1 |
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pminub m3, m4 |
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pmaxub m3, m5 ; median |
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paddb m3, m2 ; +residual |
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%if i==0 |
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mova m7, m3 |
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LSHIFT m7, mmsize-1 |
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%else |
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mova m6, m3 |
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RSHIFT m7, 1 |
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LSHIFT m6, mmsize-1 |
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por m7, m6 |
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%endif |
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%if i<mmsize-1 |
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RSHIFT m0, 1 |
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RSHIFT m1, 1 |
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RSHIFT m2, 1 |
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%endif |
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%assign i i+1 |
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%endrep |
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movu [dstq+wq], m7 |
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add wq, mmsize |
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jl .loop |
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movzx r2d, byte [dstq-1] |
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mov [leftq], r2d |
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movzx r2d, byte [topq-1] |
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mov [left_topq], r2d |
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RET |
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%endmacro |
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%if ARCH_X86_32 |
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INIT_MMX mmxext |
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HFYU_MEDIAN |
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%endif |
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INIT_XMM sse2 |
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HFYU_MEDIAN |
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%macro ADD_HFYU_LEFT_LOOP 2 ; %1 = dst_is_aligned, %2 = src_is_aligned |
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add srcq, wq |
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add dstq, wq |
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neg wq |
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%%.loop: |
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%if %2 |
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mova m1, [srcq+wq] |
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%else |
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movu m1, [srcq+wq] |
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%endif |
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mova m2, m1 |
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psllw m1, 8 |
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paddb m1, m2 |
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mova m2, m1 |
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pshufb m1, m3 |
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paddb m1, m2 |
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pshufb m0, m5 |
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mova m2, m1 |
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pshufb m1, m4 |
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paddb m1, m2 |
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%if mmsize == 16 |
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mova m2, m1 |
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pshufb m1, m6 |
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paddb m1, m2 |
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%endif |
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paddb m0, m1 |
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%if %1 |
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mova [dstq+wq], m0 |
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%else |
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movq [dstq+wq], m0 |
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movhps [dstq+wq+8], m0 |
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%endif |
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add wq, mmsize |
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jl %%.loop |
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mov eax, mmsize-1 |
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sub eax, wd |
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movd m1, eax |
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pshufb m0, m1 |
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movd eax, m0 |
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RET |
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%endmacro |
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; int ff_add_hfyu_left_pred(uint8_t *dst, const uint8_t *src, int w, int left) |
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INIT_MMX ssse3 |
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cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left |
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.skip_prologue: |
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mova m5, [pb_7] |
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mova m4, [pb_zzzz3333zzzzbbbb] |
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mova m3, [pb_zz11zz55zz99zzdd] |
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movd m0, leftm |
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psllq m0, 56 |
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ADD_HFYU_LEFT_LOOP 1, 1 |
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INIT_XMM sse4 |
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cglobal add_hfyu_left_pred, 3,3,7, dst, src, w, left |
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mova m5, [pb_f] |
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mova m6, [pb_zzzzzzzz77777777] |
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mova m4, [pb_zzzz3333zzzzbbbb] |
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mova m3, [pb_zz11zz55zz99zzdd] |
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movd m0, leftm |
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pslldq m0, 15 |
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test srcq, 15 |
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jnz .src_unaligned |
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test dstq, 15 |
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jnz .dst_unaligned |
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ADD_HFYU_LEFT_LOOP 1, 1 |
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.dst_unaligned: |
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ADD_HFYU_LEFT_LOOP 0, 1 |
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.src_unaligned: |
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ADD_HFYU_LEFT_LOOP 0, 0 |
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%macro ADD_BYTES 0 |
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cglobal add_bytes, 3,4,2, dst, src, w, size |
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mov sizeq, wq |
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and sizeq, -2*mmsize |
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jz .2 |
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add dstq, sizeq |
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add srcq, sizeq |
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neg sizeq |
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.1: |
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mova m0, [srcq + sizeq] |
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mova m1, [srcq + sizeq + mmsize] |
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paddb m0, [dstq + sizeq] |
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paddb m1, [dstq + sizeq + mmsize] |
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mova [dstq + sizeq], m0 |
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mova [dstq + sizeq + mmsize], m1 |
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add sizeq, 2*mmsize |
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jl .1 |
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.2: |
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and wq, 2*mmsize-1 |
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jz .end |
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add dstq, wq |
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add srcq, wq |
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neg wq |
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.3 |
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mov sizeb, [srcq + wq] |
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add [dstq + wq], sizeb |
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inc wq |
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jl .3 |
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.end: |
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REP_RET |
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%endmacro |
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%if ARCH_X86_32 |
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INIT_MMX mmx |
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ADD_BYTES |
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%endif |
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INIT_XMM sse2 |
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ADD_BYTES |
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; void add_hfyu_left_pred_bgr32(uint8_t *dst, const uint8_t *src, |
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; intptr_t w, uint8_t *left) |
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%macro LEFT_BGR32 0 |
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cglobal add_hfyu_left_pred_bgr32, 4,4,3, dst, src, w, left |
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shl wq, 2 |
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movd m0, [leftq] |
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lea dstq, [dstq + wq] |
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lea srcq, [srcq + wq] |
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LSHIFT m0, mmsize-4 |
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neg wq |
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.loop: |
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movu m1, [srcq+wq] |
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mova m2, m1 |
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%if mmsize == 8 |
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punpckhdq m0, m0 |
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%endif |
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LSHIFT m1, 4 |
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paddb m1, m2 |
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%if mmsize == 16 |
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pshufd m0, m0, q3333 |
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mova m2, m1 |
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LSHIFT m1, 8 |
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paddb m1, m2 |
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%endif |
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paddb m0, m1 |
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movu [dstq+wq], m0 |
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add wq, mmsize |
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jl .loop |
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movd m0, [dstq-4] |
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movd [leftq], m0 |
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REP_RET |
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%endmacro |
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%if ARCH_X86_32 |
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INIT_MMX mmx |
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LEFT_BGR32 |
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%endif |
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INIT_XMM sse2 |
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LEFT_BGR32
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