diff options
Diffstat (limited to 'libavfilter/x86/vf_limiter.asm')
| -rw-r--r-- | libavfilter/x86/vf_limiter.asm | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_limiter.asm b/libavfilter/x86/vf_limiter.asm new file mode 100644 index 0000000000..c5b9b0a64d --- /dev/null +++ b/libavfilter/x86/vf_limiter.asm @@ -0,0 +1,80 @@ +;***************************************************************************** +;* x86-optimized functions for limiter filter +;* +;* 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" + +SECTION .text + +INIT_XMM sse2 + +cglobal limiter_8bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x + movsxdifnidn wq, wd + add srcq, wq + add dstq, wq + neg wq + movd m1, r6m + punpcklbw m1, m1 + SPLATW m1, m1 + movd m2, r7m + punpcklbw m2, m2 + SPLATW m2, m2 +.nextrow: + mov xq, wq + + .loop: + movu m0, [srcq + xq] + CLIPUB m0, m1, m2 + mova [dstq+xq], m0 + add xq, mmsize + jl .loop + + add srcq, slinesizeq + add dstq, dlinesizeq + sub hd, 1 + jg .nextrow + RET + +INIT_XMM sse4 + +cglobal limiter_16bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x + shl wd, 1 + add srcq, wq + add dstq, wq + neg wq + movd m1, r6m + SPLATW m1, m1 + movd m2, r7m + SPLATW m2, m2 +.nextrow: + mov xq, wq + + .loop: + movu m0, [srcq + xq] + pmaxuw m0, m1 + pminuw m0, m2 + mova [dstq+xq], m0 + add xq, mmsize + jl .loop + + add srcq, slinesizeq + add dstq, dlinesizeq + sub hd, 1 + jg .nextrow + RET |