mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-11-21 10:55:51 +02:00
avfilter/x86/vf_eq: Change inline assembly into nasm code
Signed-off-by: Ting Fu <ting.fu@intel.com>
This commit is contained in:
Ting Fu
Ruiling Song
parent
9691e2a426
commit
6aff2042d6
@ -6,7 +6,7 @@ OBJS-$(CONFIG_BLEND_FILTER) += x86/vf_blend_init.o
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OBJS-$(CONFIG_BWDIF_FILTER) += x86/vf_bwdif_init.o
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OBJS-$(CONFIG_COLORSPACE_FILTER) += x86/colorspacedsp_init.o
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OBJS-$(CONFIG_CONVOLUTION_FILTER) += x86/vf_convolution_init.o
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OBJS-$(CONFIG_EQ_FILTER) += x86/vf_eq.o
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OBJS-$(CONFIG_EQ_FILTER) += x86/vf_eq_init.o
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OBJS-$(CONFIG_FSPP_FILTER) += x86/vf_fspp_init.o
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OBJS-$(CONFIG_GBLUR_FILTER) += x86/vf_gblur_init.o
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OBJS-$(CONFIG_GRADFUN_FILTER) += x86/vf_gradfun_init.o
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@ -43,6 +43,7 @@ X86ASM-OBJS-$(CONFIG_BLEND_FILTER) += x86/vf_blend.o
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X86ASM-OBJS-$(CONFIG_BWDIF_FILTER) += x86/vf_bwdif.o
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X86ASM-OBJS-$(CONFIG_COLORSPACE_FILTER) += x86/colorspacedsp.o
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X86ASM-OBJS-$(CONFIG_CONVOLUTION_FILTER) += x86/vf_convolution.o
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X86ASM-OBJS-$(CONFIG_CONVOLUTION_FILTER) += x86/vf_eq.o
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X86ASM-OBJS-$(CONFIG_FRAMERATE_FILTER) += x86/vf_framerate.o
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X86ASM-OBJS-$(CONFIG_FSPP_FILTER) += x86/vf_fspp.o
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X86ASM-OBJS-$(CONFIG_GBLUR_FILTER) += x86/vf_gblur.o
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82
libavfilter/x86/vf_eq.asm
Normal file
82
libavfilter/x86/vf_eq.asm
Normal file
@ -0,0 +1,82 @@
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;*****************************************************************************
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;* x86-optimized functions for eq filter
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;*
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;* Original MPlayer filters by Richard Felker.
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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 modify
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;* it under the terms of the GNU General Public License as published by
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;* the Free Software Foundation; either version 2 of the License, or
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;* (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
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;* GNU General Public License for more details.
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;*
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;* You should have received a copy of the GNU General Public License along
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;* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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;* 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_MMX mmxext
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cglobal process_one_line, 5, 7, 5, src, dst, contrast, brightness, w
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movd m3, contrastd
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movd m4, brightnessd
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movsx r5d, contrastw
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movsx r6d, brightnessw
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SPLATW m3, m3, 0
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SPLATW m4, m4, 0
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DEFINE_ARGS src, dst, tmp, scalar, w
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xor tmpd, tmpd
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pxor m0, m0
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pxor m1, m1
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mov scalard, wd
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and scalard, mmsize-1
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sar wd, 3
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cmp wd, 1
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jl .loop1
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.loop0:
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movu m1, [srcq]
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mova m2, m1
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punpcklbw m1, m0
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punpckhbw m2, m0
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psllw m1, 4
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psllw m2, 4
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pmulhw m1, m3
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pmulhw m2, m3
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paddw m1, m4
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paddw m2, m4
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packuswb m1, m2
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movu [dstq], m1
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add srcq, mmsize
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add dstq, mmsize
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sub wd, 1
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cmp wd, 0
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jne .loop0
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.loop1:
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cmp scalard, 0
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je .end
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movzx tmpd, byte [srcq]
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imul tmpd, r5d
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sar tmpd, 12
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add tmpd, r6d
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movd m1, tmpd
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packuswb m1, m0
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movd tmpd, m1
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mov [dstq], tmpb
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inc srcq
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inc dstq
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dec scalard
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jmp .loop1
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.end:
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RET
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@ -1,96 +0,0 @@
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/*
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*
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* Original MPlayer filters by Richard Felker.
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/mem.h"
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#include "libavutil/x86/asm.h"
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#include "libavfilter/vf_eq.h"
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#if HAVE_MMX_INLINE && HAVE_6REGS
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static void process_MMX(EQParameters *param, uint8_t *dst, int dst_stride,
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const uint8_t *src, int src_stride, int w, int h)
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{
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int i;
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int pel;
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int dstep = dst_stride - w;
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int sstep = src_stride - w;
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short brvec[4];
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short contvec[4];
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int contrast = (int) (param->contrast * 256 * 16);
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int brightness = ((int) (100.0 * param->brightness + 100.0) * 511) / 200 - 128 - contrast / 32;
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brvec[0] = brvec[1] = brvec[2] = brvec[3] = brightness;
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contvec[0] = contvec[1] = contvec[2] = contvec[3] = contrast;
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while (h--) {
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__asm__ volatile (
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"movq (%5), %%mm3 \n\t"
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"movq (%6), %%mm4 \n\t"
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"pxor %%mm0, %%mm0 \n\t"
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"movl %4, %%eax \n\t"
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".p2align 4 \n\t"
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"1: \n\t"
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"movq (%0), %%mm1 \n\t"
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"movq (%0), %%mm2 \n\t"
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"punpcklbw %%mm0, %%mm1\n\t"
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"punpckhbw %%mm0, %%mm2\n\t"
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"psllw $4, %%mm1 \n\t"
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"psllw $4, %%mm2 \n\t"
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"pmulhw %%mm4, %%mm1 \n\t"
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"pmulhw %%mm4, %%mm2 \n\t"
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"paddw %%mm3, %%mm1 \n\t"
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"paddw %%mm3, %%mm2 \n\t"
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"packuswb %%mm2, %%mm1 \n\t"
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"add $8, %0 \n\t"
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"movq %%mm1, (%1) \n\t"
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"add $8, %1 \n\t"
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"decl %%eax \n\t"
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"jnz 1b \n\t"
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: "=r" (src), "=r" (dst)
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: "0" (src), "1" (dst), "r" (w>>3), "r" (brvec), "r" (contvec)
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: "%eax"
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);
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for (i = w&7; i; i--) {
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pel = ((*src++ * contrast) >> 12) + brightness;
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if (pel & ~255)
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pel = (-pel) >> 31;
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*dst++ = pel;
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}
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src += sstep;
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dst += dstep;
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}
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__asm__ volatile ( "emms \n\t" ::: "memory" );
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}
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#endif
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av_cold void ff_eq_init_x86(EQContext *eq)
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{
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#if HAVE_MMX_INLINE && HAVE_6REGS
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int cpu_flags = av_get_cpu_flags();
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if (cpu_flags & AV_CPU_FLAG_MMX) {
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eq->process = process_MMX;
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}
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#endif
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}
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54
libavfilter/x86/vf_eq_init.c
Normal file
54
libavfilter/x86/vf_eq_init.c
Normal file
@ -0,0 +1,54 @@
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/*
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*
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* Original MPlayer filters by Richard Felker.
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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 modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with FFmpeg; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/mem.h"
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#include "libavutil/x86/cpu.h"
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#include "libavutil/x86/asm.h"
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#include "libavfilter/vf_eq.h"
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extern void ff_process_one_line_mmxext(const uint8_t *src, uint8_t *dst, short contrast,
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short brightness, int w);
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static void process_mmxext(EQParameters *param, uint8_t *dst, int dst_stride,
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const uint8_t *src, int src_stride, int w, int h)
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{
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short contrast = (short) (param->contrast * 256 * 16);
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short brightness = ((short) (100.0 * param->brightness + 100.0) * 511)
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/ 200 - 128 - contrast / 32;
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while (h--) {
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ff_process_one_line_mmxext(src, dst, contrast, brightness, w);
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src += src_stride;
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dst += dst_stride;
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}
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emms_c();
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}
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av_cold void ff_eq_init_x86(EQContext *eq)
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{
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int cpu_flags = av_get_cpu_flags();
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if (cpu_flags & AV_CPU_FLAG_MMXEXT) {
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eq->process = process_mmxext;
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}
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}
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