mirror of https://git.ffmpeg.org/ffmpeg.git
135 lines
3.3 KiB
NASM
135 lines
3.3 KiB
NASM
;*****************************************************************************
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;* x86-optimized functions for framerate filter
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;*
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;* Copyright (C) 2018 Marton Balint
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;*
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;* Based on vf_blend.asm, Copyright (C) 2015 Paul B Mahol
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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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%macro XSPLAT 3
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%if cpuflag(avx2)
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vpbroadcast%3 %1, %2
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%else
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movd %1, %2
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%ifidn %3, d
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SPLATD %1
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%else
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SPLATW %1, %1
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%endif
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%endif
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%endmacro
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%macro BLEND_INIT 0-1
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%if ARCH_X86_64
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cglobal blend_frames%1, 6, 9, 5, src1, src1_linesize, src2, src2_linesize, dst, dst_linesize, width, end, x
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mov widthd, dword widthm
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%else
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cglobal blend_frames%1, 5, 7, 5, src1, src1_linesize, src2, src2_linesize, dst, end, x
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%define dst_linesizeq r5mp
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%define widthq r6mp
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%endif
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mov endd, dword r7m
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add src1q, widthq
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add src2q, widthq
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add dstq, widthq
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neg widthq
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%endmacro
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%macro BLEND_LOOP 4
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.nextrow:
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mov xq, widthq
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.loop:
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movu m0, [src1q + xq]
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movu m1, [src2q + xq]
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SBUTTERFLY %1%2, 0, 1, 4 ; aAbBcCdD
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; eEfFgGhH
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pmadd%3 m0, m2
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pmadd%3 m1, m2
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padd%2 m0, m3
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padd%2 m1, m3
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psrl%2 m0, %4 ; 0A0B0C0D
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psrl%2 m1, %4 ; 0E0F0G0H
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packus%2%1 m0, m1 ; ABCDEFGH
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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 src1q, src1_linesizeq
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add src2q, src2_linesizeq
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add dstq, dst_linesizeq
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sub endd, 1
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jg .nextrow
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RET
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%endmacro
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%macro BLEND_FRAMES 0
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BLEND_INIT
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XSPLAT m2, r8m, w ; factor1
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XSPLAT m3, r9m, w ; factor2
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psllw m3, 8
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por m2, m3 ; interleaved factors
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XSPLAT m3, r10m, w ; half
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BLEND_LOOP b, w, ubsw, 7
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%endmacro
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%macro BLEND_FRAMES16 0
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BLEND_INIT 16
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XSPLAT m2, r8m, d ; factor1
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XSPLAT m3, r9m, d ; factor2
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pslld m3, 16
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por m2, m3 ; interleaved factors
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XSPLAT m3, r10m, d ; half
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BLEND_LOOP w, d, wd, 15
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%endmacro
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INIT_XMM ssse3
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BLEND_FRAMES
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INIT_XMM sse4
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BLEND_FRAMES16
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%if HAVE_AVX2_EXTERNAL
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INIT_YMM avx2
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BLEND_FRAMES
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BLEND_FRAMES16
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%endif
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