diff options
Diffstat (limited to 'libavfilter/x86/vf_maskedmerge.asm')
| -rw-r--r-- | libavfilter/x86/vf_maskedmerge.asm | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_maskedmerge.asm b/libavfilter/x86/vf_maskedmerge.asm new file mode 100644 index 0000000000..e548d258e1 --- /dev/null +++ b/libavfilter/x86/vf_maskedmerge.asm @@ -0,0 +1,73 @@ +;***************************************************************************** +;* x86-optimized functions for maskedmerge filter +;* +;* Copyright (C) 2015 Paul B Mahol +;* +;* 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 +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;***************************************************************************** + +%include "libavutil/x86/x86util.asm" + +%if ARCH_X86_64 +SECTION_RODATA + +pw_128: times 8 dw 128 +pw_256: times 8 dw 256 + +SECTION .text + +INIT_XMM sse2 +cglobal maskedmerge8, 10, 11, 7, 0, bsrc, osrc, msrc, dst, blinesize, olinesize, mlinesize, dlinesize, w, h + mova m4, [pw_256] + mova m5, [pw_128] + pxor m6, m6 + add bsrcq, wq + add osrcq, wq + add msrcq, wq + add dstq, wq + neg wq + %define x r10q +.nextrow: + mov x, wq + + .loop: + movh m0, [bsrcq + x] + movh m1, [osrcq + x] + movh m3, [msrcq + x] + mova m2, m4 + punpcklbw m0, m6 + punpcklbw m1, m6 + punpcklbw m3, m6 + psubw m2, m3 + pmullw m2, m0 + pmullw m1, m3 + paddw m1, m2 + paddw m1, m5 + psrlw m1, 8 + packuswb m1, m1 + movh [dstq + x], m1 + add r10q, mmsize / 2 + jl .loop + + add bsrcq, blinesizeq + add osrcq, olinesizeq + add msrcq, mlinesizeq + add dstq, dlinesizeq + sub hd, 1 + jg .nextrow +REP_RET +%endif |