diff options
Diffstat (limited to 'libavcodec/x86/huffyuvencdsp.asm')
| -rw-r--r-- | libavcodec/x86/huffyuvencdsp.asm | 105 |
1 files changed, 105 insertions, 0 deletions
diff --git a/libavcodec/x86/huffyuvencdsp.asm b/libavcodec/x86/huffyuvencdsp.asm new file mode 100644 index 0000000000..d994fd0fd6 --- /dev/null +++ b/libavcodec/x86/huffyuvencdsp.asm @@ -0,0 +1,105 @@ +;************************************************************************ +;* 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 + +%include "libavcodec/x86/huffyuvdsp_template.asm" + +;------------------------------------------------------------------------------ +; void ff_diff_int16(uint8_t *dst, const uint8_t *src1, const uint8_t *src2, +; unsigned mask, int w); +;------------------------------------------------------------------------------ + +%macro DIFF_INT16 0 +cglobal diff_int16, 5,5,5, dst, src1, src2, mask, w, tmp +%if mmsize > 8 + test src1q, mmsize-1 + jnz .unaligned + test src2q, mmsize-1 + jnz .unaligned + test dstq, mmsize-1 + jnz .unaligned +%endif + INT16_LOOP a, sub +%if mmsize > 8 +.unaligned: + INT16_LOOP u, sub +%endif +%endmacro + +%if ARCH_X86_32 +INIT_MMX mmx +DIFF_INT16 +%endif + +INIT_XMM sse2 +DIFF_INT16 + +%if HAVE_AVX2_EXTERNAL +INIT_YMM avx2 +DIFF_INT16 +%endif + +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 |