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143 lines
3.8 KiB
143 lines
3.8 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 .text |
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%include "libavcodec/x86/huffyuvdsp_template.asm" |
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;------------------------------------------------------------------------------ |
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; void (*add_int16)(uint16_t *dst, const uint16_t *src, unsigned mask, int w); |
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;------------------------------------------------------------------------------ |
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%macro ADD_INT16 0 |
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cglobal add_int16, 4,4,5, dst, src, mask, w, tmp |
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test srcq, mmsize-1 |
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jnz .unaligned |
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test dstq, mmsize-1 |
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jnz .unaligned |
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INT16_LOOP a, add |
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.unaligned: |
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INT16_LOOP u, add |
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%endmacro |
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INIT_XMM sse2 |
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ADD_INT16 |
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%if HAVE_AVX2_EXTERNAL |
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INIT_YMM avx2 |
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ADD_INT16 |
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%endif |
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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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INIT_XMM sse2 |
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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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LSHIFT m1, 4 |
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paddb m1, m2 |
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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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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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RET |
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; void add_hfyu_median_prediction_mmxext(uint8_t *dst, const uint8_t *top, const uint8_t *diff, int mask, int w, int *left, int *left_top) |
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INIT_MMX mmxext |
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cglobal add_hfyu_median_pred_int16, 7,7,0, dst, top, diff, mask, w, left, left_top |
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add wd, wd |
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movd mm6, maskd |
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SPLATW mm6, mm6 |
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movq mm0, [topq] |
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movq mm2, mm0 |
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movd mm4, [left_topq] |
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psllq mm2, 16 |
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movq mm1, mm0 |
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por mm4, mm2 |
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movd mm3, [leftq] |
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psubw mm0, mm4 ; 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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movq mm4, [topq+wq] |
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movq mm0, mm4 |
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psllq mm4, 16 |
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por mm4, mm1 |
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movq mm1, mm0 ; t |
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psubw mm0, mm4 ; t-tl |
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.skip: |
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movq mm2, [diffq+wq] |
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%assign i 0 |
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%rep 4 |
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movq mm4, mm0 |
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paddw mm4, mm3 ; t-tl+l |
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pand mm4, mm6 |
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movq mm5, mm3 |
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pmaxsw mm3, mm1 |
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pminsw mm5, mm1 |
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pminsw mm3, mm4 |
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pmaxsw mm3, mm5 ; median |
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paddw mm3, mm2 ; +residual |
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pand mm3, mm6 |
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%if i==0 |
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movq mm7, mm3 |
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psllq mm7, 48 |
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%else |
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movq mm4, mm3 |
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psrlq mm7, 16 |
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psllq mm4, 48 |
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por mm7, mm4 |
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%endif |
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%if i<3 |
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psrlq mm0, 16 |
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psrlq mm1, 16 |
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psrlq mm2, 16 |
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%endif |
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%assign i i+1 |
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%endrep |
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movq [dstq+wq], mm7 |
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add wq, 8 |
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jl .loop |
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movzx r2d, word [dstq-2] |
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mov [leftq], r2d |
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movzx r2d, word [topq-2] |
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mov [left_topq], r2d |
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RET
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