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;***************************************************************************** |
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;* x86-optimized functions for limiter filter |
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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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INIT_XMM sse2 |
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cglobal limiter_8bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x |
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movsxdifnidn wq, wd |
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add srcq, wq |
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add dstq, wq |
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neg wq |
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movd m1, r6m |
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punpcklbw m1, m1 |
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SPLATW m1, m1 |
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movd m2, r7m |
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punpcklbw m2, m2 |
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SPLATW m2, m2 |
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.nextrow: |
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mov xq, wq |
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.loop: |
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movu m0, [srcq + xq] |
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CLIPUB m0, m1, m2 |
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movu [dstq+xq], m0 |
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add xq, mmsize |
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jl .loop |
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add srcq, slinesizeq |
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add dstq, dlinesizeq |
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sub hd, 1 |
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jg .nextrow |
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RET |
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INIT_XMM sse4 |
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cglobal limiter_16bit, 6, 7, 3, src, dst, slinesize, dlinesize, w, h, x |
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shl wd, 1 |
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add srcq, wq |
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add dstq, wq |
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neg wq |
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movd m1, r6m |
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SPLATW m1, m1 |
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movd m2, r7m |
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SPLATW m2, m2 |
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.nextrow: |
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mov xq, wq |
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.loop: |
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movu m0, [srcq + xq] |
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pmaxuw m0, m1 |
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pminuw m0, m2 |
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movu [dstq+xq], m0 |
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add xq, mmsize |
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jl .loop |
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add srcq, slinesizeq |
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add dstq, dlinesizeq |
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sub hd, 1 |
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jg .nextrow |
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RET |
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