From 2e1704059ae8625beda2ffde847ad22c5ba416dc Mon Sep 17 00:00:00 2001 From: Kieran Kunhya Date: Tue, 11 Nov 2014 18:43:42 +0000 Subject: vf_interlace: Add SIMD for lowpass filter Signed-off-by: Luca Barbato --- libavfilter/x86/Makefile | 2 + libavfilter/x86/vf_interlace.asm | 75 +++++++++++++++++++++++++++++++++++++ libavfilter/x86/vf_interlace_init.c | 47 +++++++++++++++++++++++ 3 files changed, 124 insertions(+) create mode 100644 libavfilter/x86/vf_interlace.asm create mode 100644 libavfilter/x86/vf_interlace_init.c (limited to 'libavfilter/x86') diff --git a/libavfilter/x86/Makefile b/libavfilter/x86/Makefile index 16b1307d31..13b5d318ec 100644 --- a/libavfilter/x86/Makefile +++ b/libavfilter/x86/Makefile @@ -1,9 +1,11 @@ OBJS-$(CONFIG_GRADFUN_FILTER) += x86/vf_gradfun_init.o OBJS-$(CONFIG_HQDN3D_FILTER) += x86/vf_hqdn3d_init.o +OBJS-$(CONFIG_INTERLACE_FILTER) += x86/vf_interlace_init.o OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume_init.o OBJS-$(CONFIG_YADIF_FILTER) += x86/vf_yadif_init.o YASM-OBJS-$(CONFIG_GRADFUN_FILTER) += x86/vf_gradfun.o YASM-OBJS-$(CONFIG_HQDN3D_FILTER) += x86/vf_hqdn3d.o +YASM-OBJS-$(CONFIG_INTERLACE_FILTER) += x86/vf_interlace.o YASM-OBJS-$(CONFIG_VOLUME_FILTER) += x86/af_volume.o YASM-OBJS-$(CONFIG_YADIF_FILTER) += x86/vf_yadif.o diff --git a/libavfilter/x86/vf_interlace.asm b/libavfilter/x86/vf_interlace.asm new file mode 100644 index 0000000000..8c2e9b099c --- /dev/null +++ b/libavfilter/x86/vf_interlace.asm @@ -0,0 +1,75 @@ +;***************************************************************************** +;* x86-optimized functions for interlace filter +;* +;* Copyright (C) 2014 Kieran Kunhya +;* +;* This file is part of Libav. +;* +;* Libav 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. +;* +;* Libav 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 Libav; 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 diff --git a/libavfilter/x86/vf_interlace_init.c b/libavfilter/x86/vf_interlace_init.c new file mode 100644 index 0000000000..231ab85a1c --- /dev/null +++ b/libavfilter/x86/vf_interlace_init.c @@ -0,0 +1,47 @@ +/* + * Copyright (C) 2014 Kieran Kunhya + * + * This file is part of Libav. + * + * Libav 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. + * + * Libav 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 Libav; if not, write to the Free Software Foundation, Inc., + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. + */ + +#include "libavutil/attributes.h" +#include "libavutil/cpu.h" +#include "libavutil/internal.h" +#include "libavutil/mem.h" +#include "libavutil/x86/asm.h" +#include "libavutil/x86/cpu.h" + +#include "libavfilter/interlace.h" + +void ff_lowpass_line_sse2(uint8_t *dstp, ptrdiff_t linesize, + const uint8_t *srcp, + const uint8_t *srcp_above, + const uint8_t *srcp_below); +void ff_lowpass_line_avx (uint8_t *dstp, ptrdiff_t linesize, + const uint8_t *srcp, + const uint8_t *srcp_above, + const uint8_t *srcp_below); + +av_cold void ff_interlace_init_x86(InterlaceContext *s) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_SSE2(cpu_flags)) + s->lowpass_line = ff_lowpass_line_sse2; + if (EXTERNAL_AVX(cpu_flags)) + s->lowpass_line = ff_lowpass_line_avx; +} -- cgit v1.2.3