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| author | Michael Niedermayer <michaelni@gmx.at> | 2014-11-15 02:28:23 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2014-11-15 02:39:49 +0100 |
| commit | 6f373d75e8923ceb0c6b248b55f65f06dcf69101 (patch) | |
| tree | 6b05292005d71a7f9bb41c965ff76794753cfd81 /libavfilter/x86/vf_interlace.asm | |
| parent | 53ab7846eeb6cf91bd33dc17598bd5a66b8e3497 (diff) | |
| parent | 2e1704059ae8625beda2ffde847ad22c5ba416dc (diff) | |
| download | ffmpeg-streaming-6f373d75e8923ceb0c6b248b55f65f06dcf69101.zip ffmpeg-streaming-6f373d75e8923ceb0c6b248b55f65f06dcf69101.tar.gz | |
Merge commit '2e1704059ae8625beda2ffde847ad22c5ba416dc'
* commit '2e1704059ae8625beda2ffde847ad22c5ba416dc':
vf_interlace: Add SIMD for lowpass filter
Conflicts:
libavfilter/vf_interlace.c
libavfilter/x86/Makefile
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavfilter/x86/vf_interlace.asm')
| -rw-r--r-- | libavfilter/x86/vf_interlace.asm | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libavfilter/x86/vf_interlace.asm b/libavfilter/x86/vf_interlace.asm new file mode 100644 index 0000000..55b430d --- /dev/null +++ b/libavfilter/x86/vf_interlace.asm @@ -0,0 +1,75 @@ +;***************************************************************************** +;* x86-optimized functions for interlace filter +;* +;* Copyright (C) 2014 Kieran Kunhya <kierank@obe.tv> +;* +;* This file is part of FFmpeg. +;* +;* FFmpeg is free software; you can redistribute it and/or modify +;* it under the terms of the GNU General Public License as published by +;* the Free Software Foundation; either version 2 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 General Public License for more details. +;* +;* You should have received a copy of the GNU 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_RODATA + +SECTION .text + +%macro LOWPASS_LINE 0 +cglobal lowpass_line, 5, 5, 7 + add r0, r1 + add r2, r1 + add r3, r1 + add r4, r1 + neg r1 + + pxor m6, m6 + +.loop + mova m0, [r2+r1] + punpcklbw m1, m0, m6 + punpckhbw m0, m6 + paddw m0, m0 + paddw m1, m1 + + mova m2, [r3+r1] + punpcklbw m3, m2, m6 + punpckhbw m2, m6 + + mova m4, [r4+r1] + punpcklbw m5, m4, m6 + punpckhbw m4, m6 + + paddw m1, m3 + pavgw m1, m5 + + paddw m0, m2 + pavgw m0, m4 + + psrlw m0, 1 + psrlw m1, 1 + + packuswb m1, m0 + mova [r0+r1], m1 + + add r1, mmsize + jl .loop +REP_RET +%endmacro + +INIT_XMM sse2 +LOWPASS_LINE + +INIT_XMM avx +LOWPASS_LINE |
