mirror of
https://github.com/FFmpeg/FFmpeg.git
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lavfi: remove gradfun mp wrapper
The gradfun filter was already integrated natively in libavfilter. Both filters issue the same output, and have a comparable performance. See thread: Subject: [FFmpeg-devel] [PATCH] lavfi: remove gradfun mp wrapper Date: Fri, 5 Aug 2011 00:19:04 +0200
This commit is contained in:
Stefano Sabatini
parent
6c4e9cae52
commit
640a905ece
@ -935,7 +935,6 @@ The list of the currently supported filters follows:
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@item framestep
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@item framestep
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@item fspp
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@item fspp
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@item geq
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@item geq
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@item gradfun
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@item harddup
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@item harddup
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@item hqdn3d
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@item hqdn3d
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@item hue
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@item hue
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@ -97,7 +97,6 @@ OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_fixpts.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_framestep.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_framestep.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_fspp.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_fspp.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_geq.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_geq.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_gradfun.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_harddup.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_harddup.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_hqdn3d.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_hqdn3d.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_hue.o
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OBJS-$(CONFIG_MP_FILTER) += libmpcodecs/vf_hue.o
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@ -30,7 +30,7 @@
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#define LIBAVFILTER_VERSION_MAJOR 2
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#define LIBAVFILTER_VERSION_MAJOR 2
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#define LIBAVFILTER_VERSION_MINOR 28
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#define LIBAVFILTER_VERSION_MINOR 28
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#define LIBAVFILTER_VERSION_MICRO 0
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#define LIBAVFILTER_VERSION_MICRO 1
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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#define LIBAVFILTER_VERSION_INT AV_VERSION_INT(LIBAVFILTER_VERSION_MAJOR, \
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LIBAVFILTER_VERSION_MINOR, \
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LIBAVFILTER_VERSION_MINOR, \
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@ -1,411 +0,0 @@
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/*
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* Copyright (C) 2009 Loren Merritt <lorenm@u.washignton.edu>
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*
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* This file is part of MPlayer.
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*
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* MPlayer 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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* MPlayer 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 MPlayer; 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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/*
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* Debanding algorithm (from gradfun2db by prunedtree):
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* Boxblur.
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* Foreach pixel, if it's within threshold of the blurred value, make it closer.
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* So now we have a smoothed and higher bitdepth version of all the shallow
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* gradients, while leaving detailed areas untouched.
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* Dither it back to 8bit.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <inttypes.h>
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#include "config.h"
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#include "cpudetect.h"
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#include "img_format.h"
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#include "mp_image.h"
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#include "vf.h"
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#include "libvo/fastmemcpy.h"
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#include "libavutil/avutil.h"
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#include "libavutil/x86_cpu.h"
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struct vf_priv_s {
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int thresh;
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int radius;
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uint16_t *buf;
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void (*filter_line)(uint8_t *dst, uint8_t *src, uint16_t *dc,
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int width, int thresh, const uint16_t *dithers);
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void (*blur_line)(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
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uint8_t *src, int sstride, int width);
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};
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static const uint16_t __attribute__((aligned(16))) pw_7f[8] = {127,127,127,127,127,127,127,127};
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static const uint16_t __attribute__((aligned(16))) pw_ff[8] = {255,255,255,255,255,255,255,255};
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static const uint16_t __attribute__((aligned(16))) dither[8][8] = {
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{ 0, 96, 24,120, 6,102, 30,126 },
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{ 64, 32, 88, 56, 70, 38, 94, 62 },
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{ 16,112, 8,104, 22,118, 14,110 },
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{ 80, 48, 72, 40, 86, 54, 78, 46 },
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{ 4,100, 28,124, 2, 98, 26,122 },
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{ 68, 36, 92, 60, 66, 34, 90, 58 },
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{ 20,116, 12,108, 18,114, 10,106 },
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{ 84, 52, 76, 44, 82, 50, 74, 42 },
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};
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static void filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc,
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int width, int thresh, const uint16_t *dithers)
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{
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int x;
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for (x=0; x<width; x++, dc+=x&1) {
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int pix = src[x]<<7;
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int delta = dc[0] - pix;
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int m = abs(delta) * thresh >> 16;
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m = FFMAX(0, 127-m);
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m = m*m*delta >> 14;
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pix += m + dithers[x&7];
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dst[x] = av_clip_uint8(pix>>7);
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}
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}
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static void blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
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uint8_t *src, int sstride, int width)
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{
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int x, v, old;
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for (x=0; x<width; x++) {
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v = buf1[x] + src[2*x] + src[2*x+1] + src[2*x+sstride] + src[2*x+1+sstride];
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old = buf[x];
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buf[x] = v;
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dc[x] = v - old;
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}
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}
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#if HAVE_MMX2
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static void filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc,
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int width, int thresh, const uint16_t *dithers)
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{
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intptr_t x;
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if (width&3) {
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x = width&~3;
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filter_line_c(dst+x, src+x, dc+x/2, width-x, thresh, dithers);
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width = x;
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}
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x = -width;
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__asm__ volatile(
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"movd %4, %%mm5 \n"
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"pxor %%mm7, %%mm7 \n"
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"pshufw $0, %%mm5, %%mm5 \n"
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"movq %6, %%mm6 \n"
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"movq %5, %%mm4 \n"
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"1: \n"
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"movd (%2,%0), %%mm0 \n"
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"movd (%3,%0), %%mm1 \n"
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"punpcklbw %%mm7, %%mm0 \n"
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"punpcklwd %%mm1, %%mm1 \n"
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"psllw $7, %%mm0 \n"
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"pxor %%mm2, %%mm2 \n"
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"psubw %%mm0, %%mm1 \n" // delta = dc - pix
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"psubw %%mm1, %%mm2 \n"
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"pmaxsw %%mm1, %%mm2 \n"
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"pmulhuw %%mm5, %%mm2 \n" // m = abs(delta) * thresh >> 16
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"psubw %%mm6, %%mm2 \n"
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"pminsw %%mm7, %%mm2 \n" // m = -max(0, 127-m)
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"pmullw %%mm2, %%mm2 \n"
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"paddw %%mm4, %%mm0 \n" // pix += dither
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"pmulhw %%mm2, %%mm1 \n"
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"psllw $2, %%mm1 \n" // m = m*m*delta >> 14
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"paddw %%mm1, %%mm0 \n" // pix += m
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"psraw $7, %%mm0 \n"
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"packuswb %%mm0, %%mm0 \n"
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"movd %%mm0, (%1,%0) \n" // dst = clip(pix>>7)
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"add $4, %0 \n"
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"jl 1b \n"
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"emms \n"
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:"+r"(x)
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:"r"(dst+width), "r"(src+width), "r"(dc+width/2),
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"rm"(thresh), "m"(*dithers), "m"(*pw_7f)
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:"memory"
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);
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}
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#endif
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#if HAVE_SSSE3
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static void filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc,
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int width, int thresh, const uint16_t *dithers)
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{
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intptr_t x;
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if (width&7) {
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// could be 10% faster if I somehow eliminated this
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x = width&~7;
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filter_line_c(dst+x, src+x, dc+x/2, width-x, thresh, dithers);
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width = x;
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}
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x = -width;
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__asm__ volatile(
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"movd %4, %%xmm5 \n"
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"pxor %%xmm7, %%xmm7 \n"
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"pshuflw $0,%%xmm5, %%xmm5 \n"
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"movdqa %6, %%xmm6 \n"
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"punpcklqdq %%xmm5, %%xmm5 \n"
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"movdqa %5, %%xmm4 \n"
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"1: \n"
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"movq (%2,%0), %%xmm0 \n"
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"movq (%3,%0), %%xmm1 \n"
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"punpcklbw %%xmm7, %%xmm0 \n"
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"punpcklwd %%xmm1, %%xmm1 \n"
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"psllw $7, %%xmm0 \n"
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"psubw %%xmm0, %%xmm1 \n" // delta = dc - pix
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"pabsw %%xmm1, %%xmm2 \n"
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"pmulhuw %%xmm5, %%xmm2 \n" // m = abs(delta) * thresh >> 16
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"psubw %%xmm6, %%xmm2 \n"
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"pminsw %%xmm7, %%xmm2 \n" // m = -max(0, 127-m)
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"pmullw %%xmm2, %%xmm2 \n"
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"psllw $1, %%xmm2 \n"
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"paddw %%xmm4, %%xmm0 \n" // pix += dither
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"pmulhrsw %%xmm2, %%xmm1 \n" // m = m*m*delta >> 14
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"paddw %%xmm1, %%xmm0 \n" // pix += m
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"psraw $7, %%xmm0 \n"
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"packuswb %%xmm0, %%xmm0 \n"
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"movq %%xmm0, (%1,%0) \n" // dst = clip(pix>>7)
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"add $8, %0 \n"
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"jl 1b \n"
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:"+&r"(x)
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:"r"(dst+width), "r"(src+width), "r"(dc+width/2),
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"rm"(thresh), "m"(*dithers), "m"(*pw_7f)
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:"memory"
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);
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}
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#endif // HAVE_SSSE3
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#if HAVE_SSE && HAVE_6REGS
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#define BLURV(load)\
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intptr_t x = -2*width;\
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__asm__ volatile(\
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"movdqa %6, %%xmm7 \n"\
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"1: \n"\
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load" (%4,%0), %%xmm0 \n"\
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load" (%5,%0), %%xmm1 \n"\
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"movdqa %%xmm0, %%xmm2 \n"\
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"movdqa %%xmm1, %%xmm3 \n"\
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"psrlw $8, %%xmm0 \n"\
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"psrlw $8, %%xmm1 \n"\
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"pand %%xmm7, %%xmm2 \n"\
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"pand %%xmm7, %%xmm3 \n"\
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"paddw %%xmm1, %%xmm0 \n"\
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"paddw %%xmm3, %%xmm2 \n"\
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"paddw %%xmm2, %%xmm0 \n"\
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"paddw (%2,%0), %%xmm0 \n"\
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"movdqa (%1,%0), %%xmm1 \n"\
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"movdqa %%xmm0, (%1,%0) \n"\
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"psubw %%xmm1, %%xmm0 \n"\
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"movdqa %%xmm0, (%3,%0) \n"\
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"add $16, %0 \n"\
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"jl 1b \n"\
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:"+&r"(x)\
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:"r"(buf+width),\
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"r"(buf1+width),\
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"r"(dc+width),\
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"r"(src+width*2),\
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"r"(src+width*2+sstride),\
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"m"(*pw_ff)\
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:"memory"\
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);
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static void blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1,
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uint8_t *src, int sstride, int width)
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{
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if (((intptr_t)src|sstride)&15) {
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BLURV("movdqu");
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} else {
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BLURV("movdqa");
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}
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}
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#endif // HAVE_6REGS && HAVE_SSE
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static void filter(struct vf_priv_s *ctx, uint8_t *dst, uint8_t *src,
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int width, int height, int dstride, int sstride, int r)
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{
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int bstride = ((width+15)&~15)/2;
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int y;
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uint32_t dc_factor = (1<<21)/(r*r);
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uint16_t *dc = ctx->buf+16;
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uint16_t *buf = ctx->buf+bstride+32;
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int thresh = ctx->thresh;
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memset(dc, 0, (bstride+16)*sizeof(*buf));
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for (y=0; y<r; y++)
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ctx->blur_line(dc, buf+y*bstride, buf+(y-1)*bstride, src+2*y*sstride, sstride, width/2);
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for (;;) {
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if (y < height-r) {
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int mod = ((y+r)/2)%r;
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uint16_t *buf0 = buf+mod*bstride;
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uint16_t *buf1 = buf+(mod?mod-1:r-1)*bstride;
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int x, v;
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ctx->blur_line(dc, buf0, buf1, src+(y+r)*sstride, sstride, width/2);
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for (x=v=0; x<r; x++)
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v += dc[x];
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for (; x<width/2; x++) {
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v += dc[x] - dc[x-r];
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dc[x-r] = v * dc_factor >> 16;
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}
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for (; x<(width+r+1)/2; x++)
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dc[x-r] = v * dc_factor >> 16;
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for (x=-r/2; x<0; x++)
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dc[x] = dc[0];
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}
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if (y == r) {
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for (y=0; y<r; y++)
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ctx->filter_line(dst+y*dstride, src+y*sstride, dc-r/2, width, thresh, dither[y&7]);
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}
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ctx->filter_line(dst+y*dstride, src+y*sstride, dc-r/2, width, thresh, dither[y&7]);
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if (++y >= height) break;
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ctx->filter_line(dst+y*dstride, src+y*sstride, dc-r/2, width, thresh, dither[y&7]);
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if (++y >= height) break;
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}
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}
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static void get_image(struct vf_instance *vf, mp_image_t *mpi)
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{
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if (mpi->flags&MP_IMGFLAG_PRESERVE) return; // don't change
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// ok, we can do pp in-place:
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vf->dmpi = vf_get_image(vf->next, mpi->imgfmt,
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mpi->type, mpi->flags, mpi->width, mpi->height);
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mpi->planes[0] = vf->dmpi->planes[0];
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mpi->stride[0] = vf->dmpi->stride[0];
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mpi->width = vf->dmpi->width;
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if (mpi->flags&MP_IMGFLAG_PLANAR){
|
|
||||||
mpi->planes[1] = vf->dmpi->planes[1];
|
|
||||||
mpi->planes[2] = vf->dmpi->planes[2];
|
|
||||||
mpi->stride[1] = vf->dmpi->stride[1];
|
|
||||||
mpi->stride[2] = vf->dmpi->stride[2];
|
|
||||||
}
|
|
||||||
mpi->flags |= MP_IMGFLAG_DIRECT;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts)
|
|
||||||
{
|
|
||||||
mp_image_t *dmpi = vf->dmpi;
|
|
||||||
int p;
|
|
||||||
|
|
||||||
if (!(mpi->flags&MP_IMGFLAG_DIRECT)) {
|
|
||||||
// no DR, so get a new image. hope we'll get DR buffer:
|
|
||||||
dmpi = vf_get_image(vf->next,mpi->imgfmt, MP_IMGTYPE_TEMP,
|
|
||||||
MP_IMGFLAG_ACCEPT_STRIDE|MP_IMGFLAG_PREFER_ALIGNED_STRIDE,
|
|
||||||
mpi->w, mpi->h);
|
|
||||||
}
|
|
||||||
vf_clone_mpi_attributes(dmpi, mpi);
|
|
||||||
|
|
||||||
for (p=0; p<mpi->num_planes; p++) {
|
|
||||||
int w = mpi->w;
|
|
||||||
int h = mpi->h;
|
|
||||||
int r = vf->priv->radius;
|
|
||||||
if (p) {
|
|
||||||
w >>= mpi->chroma_x_shift;
|
|
||||||
h >>= mpi->chroma_y_shift;
|
|
||||||
r = ((r>>mpi->chroma_x_shift) + (r>>mpi->chroma_y_shift)) / 2;
|
|
||||||
r = av_clip((r+1)&~1,4,32);
|
|
||||||
}
|
|
||||||
if (FFMIN(w,h) > 2*r)
|
|
||||||
filter(vf->priv, dmpi->planes[p], mpi->planes[p], w, h,
|
|
||||||
dmpi->stride[p], mpi->stride[p], r);
|
|
||||||
else if (dmpi->planes[p] != mpi->planes[p])
|
|
||||||
memcpy_pic(dmpi->planes[p], mpi->planes[p], w, h,
|
|
||||||
dmpi->stride[p], mpi->stride[p]);
|
|
||||||
}
|
|
||||||
|
|
||||||
return vf_next_put_image(vf, dmpi, pts);
|
|
||||||
}
|
|
||||||
|
|
||||||
static int query_format(struct vf_instance *vf, unsigned int fmt)
|
|
||||||
{
|
|
||||||
switch (fmt){
|
|
||||||
case IMGFMT_YVU9:
|
|
||||||
case IMGFMT_IF09:
|
|
||||||
case IMGFMT_YV12:
|
|
||||||
case IMGFMT_I420:
|
|
||||||
case IMGFMT_IYUV:
|
|
||||||
case IMGFMT_CLPL:
|
|
||||||
case IMGFMT_Y800:
|
|
||||||
case IMGFMT_Y8:
|
|
||||||
case IMGFMT_NV12:
|
|
||||||
case IMGFMT_NV21:
|
|
||||||
case IMGFMT_444P:
|
|
||||||
case IMGFMT_422P:
|
|
||||||
case IMGFMT_411P:
|
|
||||||
case IMGFMT_HM12:
|
|
||||||
return vf_next_query_format(vf,fmt);
|
|
||||||
}
|
|
||||||
return 0;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int config(struct vf_instance *vf,
|
|
||||||
int width, int height, int d_width, int d_height,
|
|
||||||
unsigned int flags, unsigned int outfmt)
|
|
||||||
{
|
|
||||||
free(vf->priv->buf);
|
|
||||||
vf->priv->buf = av_mallocz((((width+15)&~15)*(vf->priv->radius+1)/2+32)*sizeof(uint16_t));
|
|
||||||
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
|
|
||||||
}
|
|
||||||
|
|
||||||
static void uninit(struct vf_instance *vf)
|
|
||||||
{
|
|
||||||
if (!vf->priv) return;
|
|
||||||
av_free(vf->priv->buf);
|
|
||||||
free(vf->priv);
|
|
||||||
vf->priv = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
static int vf_open(vf_instance_t *vf, char *args)
|
|
||||||
{
|
|
||||||
float thresh = 1.2;
|
|
||||||
int radius = 16;
|
|
||||||
|
|
||||||
vf->get_image=get_image;
|
|
||||||
vf->put_image=put_image;
|
|
||||||
vf->query_format=query_format;
|
|
||||||
vf->config=config;
|
|
||||||
vf->uninit=uninit;
|
|
||||||
vf->priv=malloc(sizeof(struct vf_priv_s));
|
|
||||||
memset(vf->priv, 0, sizeof(struct vf_priv_s));
|
|
||||||
|
|
||||||
if (args) sscanf(args, "%f:%d", &thresh, &radius);
|
|
||||||
vf->priv->thresh = (1<<15)/av_clipf(thresh,0.51,255);
|
|
||||||
vf->priv->radius = av_clip((radius+1)&~1,4,32);
|
|
||||||
|
|
||||||
vf->priv->blur_line = blur_line_c;
|
|
||||||
vf->priv->filter_line = filter_line_c;
|
|
||||||
#if HAVE_SSE && HAVE_6REGS
|
|
||||||
if (gCpuCaps.hasSSE2)
|
|
||||||
vf->priv->blur_line = blur_line_sse2;
|
|
||||||
#endif
|
|
||||||
#if HAVE_MMX2
|
|
||||||
if (gCpuCaps.hasMMX2)
|
|
||||||
vf->priv->filter_line = filter_line_mmx2;
|
|
||||||
#endif
|
|
||||||
#if HAVE_SSSE3
|
|
||||||
if (gCpuCaps.hasSSSE3)
|
|
||||||
vf->priv->filter_line = filter_line_ssse3;
|
|
||||||
#endif
|
|
||||||
|
|
||||||
return 1;
|
|
||||||
}
|
|
||||||
|
|
||||||
const vf_info_t vf_info_gradfun = {
|
|
||||||
"gradient deband",
|
|
||||||
"gradfun",
|
|
||||||
"Loren Merritt",
|
|
||||||
"",
|
|
||||||
vf_open,
|
|
||||||
NULL
|
|
||||||
};
|
|
||||||
@ -142,7 +142,6 @@ extern const vf_info_t vf_info_yvu9;
|
|||||||
extern const vf_info_t vf_info_lavcdeint;
|
extern const vf_info_t vf_info_lavcdeint;
|
||||||
extern const vf_info_t vf_info_eq;
|
extern const vf_info_t vf_info_eq;
|
||||||
extern const vf_info_t vf_info_eq2;
|
extern const vf_info_t vf_info_eq2;
|
||||||
extern const vf_info_t vf_info_gradfun;
|
|
||||||
extern const vf_info_t vf_info_halfpack;
|
extern const vf_info_t vf_info_halfpack;
|
||||||
extern const vf_info_t vf_info_dint;
|
extern const vf_info_t vf_info_dint;
|
||||||
extern const vf_info_t vf_info_1bpp;
|
extern const vf_info_t vf_info_1bpp;
|
||||||
@ -214,7 +213,6 @@ static const vf_info_t* const filters[]={
|
|||||||
&vf_info_framestep,
|
&vf_info_framestep,
|
||||||
&vf_info_fspp,
|
&vf_info_fspp,
|
||||||
&vf_info_geq,
|
&vf_info_geq,
|
||||||
&vf_info_gradfun,
|
|
||||||
&vf_info_harddup,
|
&vf_info_harddup,
|
||||||
&vf_info_hqdn3d,
|
&vf_info_hqdn3d,
|
||||||
&vf_info_hue,
|
&vf_info_hue,
|
||||||
|
|||||||
Loading…
Reference in New Issue
Block a user