diff options
Diffstat (limited to 'libavcodec/x86/huffyuvencdsp.asm')
| -rw-r--r-- | libavcodec/x86/huffyuvencdsp.asm | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/libavcodec/x86/huffyuvencdsp.asm b/libavcodec/x86/huffyuvencdsp.asm new file mode 100644 index 0000000000..1228aa8355 --- /dev/null +++ b/libavcodec/x86/huffyuvencdsp.asm @@ -0,0 +1,143 @@ +;************************************************************************ +;* SIMD-optimized HuffYUV encoding functions +;* Copyright (c) 2000, 2001 Fabrice Bellard +;* Copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> +;* +;* MMX optimization by Nick Kurshev <nickols_k@mail.ru> +;* Conversion to NASM format by Tiancheng "Timothy" Gu <timothygu99@gmail.com> +;* +;* 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 +;* 51, Inc., Foundation Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86util.asm" + +section .text + +; void ff_diff_int16(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, +; unsigned mask, int w); +%macro INT16_LOOP 2 ; %1 = a/u (aligned/unaligned), %2 = add/sub + movd m4, maskd + SPLATW m4, m4 + add wd, wd + test wq, 2*mmsize - 1 + jz %%.tomainloop + push tmpq +%%.wordloop: + sub wq, 2 +%ifidn %2, add + mov tmpw, [srcq+wq] + add tmpw, [dstq+wq] +%else + mov tmpw, [src1q+wq] + sub tmpw, [src2q+wq] +%endif + and tmpw, maskw + mov [dstq+wq], tmpw + test wq, 2*mmsize - 1 + jnz %%.wordloop + pop tmpq +%%.tomainloop: +%ifidn %2, add + add srcq, wq +%else + add src1q, wq + add src2q, wq +%endif + add dstq, wq + neg wq + jz %%.end +%%.loop: +%ifidn %2, add + mov%1 m0, [srcq+wq] + mov%1 m1, [dstq+wq] + mov%1 m2, [srcq+wq+mmsize] + mov%1 m3, [dstq+wq+mmsize] +%else + mov%1 m0, [src1q+wq] + mov%1 m1, [src2q+wq] + mov%1 m2, [src1q+wq+mmsize] + mov%1 m3, [src2q+wq+mmsize] +%endif + p%2w m0, m1 + p%2w m2, m3 + pand m0, m4 + pand m2, m4 + mov%1 [dstq+wq] , m0 + mov%1 [dstq+wq+mmsize], m2 + add wq, 2*mmsize + jl %%.loop +%%.end: + RET +%endmacro + +%if ARCH_X86_32 +INIT_MMX mmx +cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp + INT16_LOOP a, sub +%endif + +INIT_XMM sse2 +cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp + test src1q, mmsize-1 + jnz .unaligned + test src2q, mmsize-1 + jnz .unaligned + test dstq, mmsize-1 + jnz .unaligned + INT16_LOOP a, sub +.unaligned: + INT16_LOOP u, sub + +INIT_MMX mmxext +cglobal sub_hfyu_median_pred_int16, 7,7,0, dst, src1, src2, mask, w, left, left_top + add wd, wd + movd mm7, maskd + SPLATW mm7, mm7 + movq mm0, [src1q] + movq mm2, [src2q] + psllq mm0, 16 + psllq mm2, 16 + movd mm6, [left_topq] + por mm0, mm6 + movd mm6, [leftq] + por mm2, mm6 + xor maskq, maskq +.loop: + movq mm1, [src1q + maskq] + movq mm3, [src2q + maskq] + movq mm4, mm2 + psubw mm2, mm0 + paddw mm2, mm1 + pand mm2, mm7 + movq mm5, mm4 + pmaxsw mm4, mm1 + pminsw mm1, mm5 + pminsw mm4, mm2 + pmaxsw mm4, mm1 + psubw mm3, mm4 + pand mm3, mm7 + movq [dstq + maskq], mm3 + add maskq, 8 + movq mm0, [src1q + maskq - 2] + movq mm2, [src2q + maskq - 2] + cmp maskq, wq + jb .loop + movzx maskd, word [src1q + wq - 2] + mov [left_topq], maskd + movzx maskd, word [src2q + wq - 2] + mov [leftq], maskd + RET |