mirror of
https://github.com/FFmpeg/FFmpeg.git
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651 lines
19 KiB
C
651 lines
19 KiB
C
/*
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* Copyright (c) 2012 Laurent de Soras
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* Copyright (c) 2013 Fredrik Mellbin
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* Copyright (c) 2015 Paul B Mahol
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* Copyright (c) 2015 James Darnley
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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/imgutils.h"
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#include "libavutil/opt.h"
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#include "libavutil/pixdesc.h"
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#include "libavutil/qsort.h"
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#include "avfilter.h"
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#include "formats.h"
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#include "internal.h"
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#include "removegrain.h"
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#include "video.h"
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#define OFFSET(x) offsetof(RemoveGrainContext, x)
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#define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
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static const AVOption removegrain_options[] = {
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{ "m0", "set mode for 1st plane", OFFSET(mode[0]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
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{ "m1", "set mode for 2nd plane", OFFSET(mode[1]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
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{ "m2", "set mode for 3rd plane", OFFSET(mode[2]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
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{ "m3", "set mode for 4th plane", OFFSET(mode[3]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
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{NULL}
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};
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AVFILTER_DEFINE_CLASS(removegrain);
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static const enum AVPixelFormat pix_fmts[] = {
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AV_PIX_FMT_GRAY8,
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AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
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AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
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AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
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AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
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AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
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AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
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AV_PIX_FMT_NONE
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};
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#define REMOVE_GRAIN_SORT_AXIS \
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const int ma1 = FFMAX(a1, a8); \
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const int mi1 = FFMIN(a1, a8); \
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const int ma2 = FFMAX(a2, a7); \
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const int mi2 = FFMIN(a2, a7); \
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const int ma3 = FFMAX(a3, a6); \
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const int mi3 = FFMIN(a3, a6); \
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const int ma4 = FFMAX(a4, a5); \
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const int mi4 = FFMIN(a4, a5);
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static int mode01(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int mi = FFMIN(FFMIN(FFMIN(a1, a2), FFMIN(a3, a4)), FFMIN(FFMIN(a5, a6), FFMIN(a7, a8)));
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const int ma = FFMAX(FFMAX(FFMAX(a1, a2), FFMAX(a3, a4)), FFMAX(FFMAX(a5, a6), FFMAX(a7, a8)));
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return av_clip(c, mi, ma);
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}
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static int cmp_int(const void *p1, const void *p2)
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{
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int left = *(const int *)p1;
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int right = *(const int *)p2;
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return FFDIFFSIGN(left, right);
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}
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static int mode02(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
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AV_QSORT(a, 8, int, cmp_int);
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return av_clip(c, a[2 - 1 ], a[7 - 1]);
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}
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static int mode03(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
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AV_QSORT(a, 8, int, cmp_int);
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return av_clip(c, a[3 - 1 ], a[6 - 1]);
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}
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static int mode04(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
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AV_QSORT(a, 8, int, cmp_int);
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return av_clip(c, a[4 - 1 ], a[5 - 1]);
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}
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static int mode05(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int c1 = FFABS(c - av_clip(c, mi1, ma1));
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const int c2 = FFABS(c - av_clip(c, mi2, ma2));
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const int c3 = FFABS(c - av_clip(c, mi3, ma3));
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const int c4 = FFABS(c - av_clip(c, mi4, ma4));
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const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
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/* When adding SIMD notice the return order here: 4, 2, 3, 1. */
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if (mindiff == c4) {
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return av_clip(c, mi4, ma4);
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} else if (mindiff == c2) {
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return av_clip(c, mi2, ma2);
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} else if (mindiff == c3) {
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return av_clip(c, mi3, ma3);
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}
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return av_clip(c, mi1, ma1);
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}
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static int mode06(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int d1 = ma1 - mi1;
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const int d2 = ma2 - mi2;
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const int d3 = ma3 - mi3;
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const int d4 = ma4 - mi4;
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const int cli1 = av_clip(c, mi1, ma1);
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const int cli2 = av_clip(c, mi2, ma2);
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const int cli3 = av_clip(c, mi3, ma3);
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const int cli4 = av_clip(c, mi4, ma4);
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const int c1 = av_clip_uint16((FFABS(c - cli1) << 1) + d1);
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const int c2 = av_clip_uint16((FFABS(c - cli2) << 1) + d2);
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const int c3 = av_clip_uint16((FFABS(c - cli3) << 1) + d3);
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const int c4 = av_clip_uint16((FFABS(c - cli4) << 1) + d4);
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const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
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if (mindiff == c4) {
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return cli4;
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} else if (mindiff == c2) {
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return cli2;
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} else if (mindiff == c3) {
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return cli3;
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}
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return cli1;
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}
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static int mode07(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int d1 = ma1 - mi1;
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const int d2 = ma2 - mi2;
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const int d3 = ma3 - mi3;
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const int d4 = ma4 - mi4;
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const int cli1 = av_clip(c, mi1, ma1);
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const int cli2 = av_clip(c, mi2, ma2);
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const int cli3 = av_clip(c, mi3, ma3);
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const int cli4 = av_clip(c, mi4, ma4);
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const int c1 = FFABS(c - cli1) + d1;
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const int c2 = FFABS(c - cli2) + d2;
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const int c3 = FFABS(c - cli3) + d3;
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const int c4 = FFABS(c - cli4) + d4;
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const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
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if (mindiff == c4) {
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return cli4;
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} else if (mindiff == c2) {
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return cli2;
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} else if (mindiff == c3) {
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return cli3;
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}
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return cli1;
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}
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static int mode08(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int d1 = ma1 - mi1;
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const int d2 = ma2 - mi2;
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const int d3 = ma3 - mi3;
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const int d4 = ma4 - mi4;
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const int cli1 = av_clip(c, mi1, ma1);
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const int cli2 = av_clip(c, mi2, ma2);
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const int cli3 = av_clip(c, mi3, ma3);
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const int cli4 = av_clip(c, mi4, ma4);
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const int c1 = av_clip_uint16(FFABS(c - cli1) + (d1 << 1));
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const int c2 = av_clip_uint16(FFABS(c - cli2) + (d2 << 1));
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const int c3 = av_clip_uint16(FFABS(c - cli3) + (d3 << 1));
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const int c4 = av_clip_uint16(FFABS(c - cli4) + (d4 << 1));
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const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
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if (mindiff == c4) {
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return cli4;
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} else if (mindiff == c2) {
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return cli2;
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} else if (mindiff == c3) {
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return cli3;
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}
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return cli1;
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}
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static int mode09(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int d1 = ma1 - mi1;
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const int d2 = ma2 - mi2;
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const int d3 = ma3 - mi3;
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const int d4 = ma4 - mi4;
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const int mindiff = FFMIN(FFMIN(d1, d2), FFMIN(d3, d4));
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if (mindiff == d4) {
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return av_clip(c, mi4, ma4);
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} else if (mindiff == d2) {
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return av_clip(c, mi2, ma2);
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} else if (mindiff == d3) {
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return av_clip(c, mi3, ma3);
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}
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return av_clip(c, mi1, ma1);
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}
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static int mode10(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int d1 = FFABS(c - a1);
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const int d2 = FFABS(c - a2);
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const int d3 = FFABS(c - a3);
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const int d4 = FFABS(c - a4);
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const int d5 = FFABS(c - a5);
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const int d6 = FFABS(c - a6);
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const int d7 = FFABS(c - a7);
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const int d8 = FFABS(c - a8);
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const int mindiff = FFMIN(FFMIN(FFMIN(d1, d2), FFMIN(d3, d4)),
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FFMIN(FFMIN(d5, d6), FFMIN(d7, d8)));
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if (mindiff == d7) return a7;
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if (mindiff == d8) return a8;
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if (mindiff == d6) return a6;
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if (mindiff == d2) return a2;
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if (mindiff == d3) return a3;
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if (mindiff == d1) return a1;
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if (mindiff == d5) return a5;
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return a4;
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}
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static int mode1112(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int sum = 4 * c + 2 * (a2 + a4 + a5 + a7) + a1 + a3 + a6 + a8;
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const int val = (sum + 8) >> 4;
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return val;
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}
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static int mode1314(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int d1 = FFABS(a1 - a8);
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const int d2 = FFABS(a2 - a7);
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const int d3 = FFABS(a3 - a6);
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const int mindiff = FFMIN(FFMIN(d1, d2), d3);
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if (mindiff == d2) {
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return (a2 + a7 + 1) >> 1;
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}
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if (mindiff == d3) {
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return (a3 + a6 + 1) >> 1;
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}
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return (a1 + a8 + 1) >> 1;
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}
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static int mode1516(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int d1 = FFABS(a1 - a8);
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const int d2 = FFABS(a2 - a7);
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const int d3 = FFABS(a3 - a6);
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const int mindiff = FFMIN(FFMIN(d1, d2), d3);
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const int average = (2 * (a2 + a7) + a1 + a3 + a6 + a8 + 4) >> 3;
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if (mindiff == d2) {
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return av_clip(average, FFMIN(a2, a7), FFMAX(a2, a7));
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}
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if (mindiff == d3) {
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return av_clip(average, FFMIN(a3, a6), FFMAX(a3, a6));
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}
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return av_clip(average, FFMIN(a1, a8), FFMAX(a1, a8));
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}
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static int mode17(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int l = FFMAX(FFMAX(mi1, mi2), FFMAX(mi3, mi4));
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const int u = FFMIN(FFMIN(ma1, ma2), FFMIN(ma3, ma4));
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return av_clip(c, FFMIN(l, u), FFMAX(l, u));
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}
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static int mode18(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int d1 = FFMAX(FFABS(c - a1), FFABS(c - a8));
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const int d2 = FFMAX(FFABS(c - a2), FFABS(c - a7));
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const int d3 = FFMAX(FFABS(c - a3), FFABS(c - a6));
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const int d4 = FFMAX(FFABS(c - a4), FFABS(c - a5));
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const int mindiff = FFMIN(FFMIN(d1, d2), FFMIN(d3, d4));
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if (mindiff == d4) {
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return av_clip(c, FFMIN(a4, a5), FFMAX(a4, a5));
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}
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if (mindiff == d2) {
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return av_clip(c, FFMIN(a2, a7), FFMAX(a2, a7));
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}
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if (mindiff == d3) {
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return av_clip(c, FFMIN(a3, a6), FFMAX(a3, a6));
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}
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return av_clip(c, FFMIN(a1, a8), FFMAX(a1, a8));
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}
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static int mode19(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int sum = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;
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const int val = (sum + 4) >> 3;
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return val;
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}
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static int mode20(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int sum = a1 + a2 + a3 + a4 + c + a5 + a6 + a7 + a8;
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const int val = (sum + 4) / 9;
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return val;
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}
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static int mode21(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int l1l = (a1 + a8) >> 1;
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const int l2l = (a2 + a7) >> 1;
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const int l3l = (a3 + a6) >> 1;
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const int l4l = (a4 + a5) >> 1;
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const int l1h = (a1 + a8 + 1) >> 1;
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const int l2h = (a2 + a7 + 1) >> 1;
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const int l3h = (a3 + a6 + 1) >> 1;
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const int l4h = (a4 + a5 + 1) >> 1;
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const int mi = FFMIN(FFMIN(l1l, l2l), FFMIN(l3l, l4l));
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const int ma = FFMAX(FFMAX(l1h, l2h), FFMAX(l3h, l4h));
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return av_clip(c, mi, ma);
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}
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static int mode22(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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const int l1 = (a1 + a8 + 1) >> 1;
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const int l2 = (a2 + a7 + 1) >> 1;
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const int l3 = (a3 + a6 + 1) >> 1;
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const int l4 = (a4 + a5 + 1) >> 1;
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const int mi = FFMIN(FFMIN(l1, l2), FFMIN(l3, l4));
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const int ma = FFMAX(FFMAX(l1, l2), FFMAX(l3, l4));
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return av_clip(c, mi, ma);
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}
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static int mode23(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
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{
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REMOVE_GRAIN_SORT_AXIS
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const int linediff1 = ma1 - mi1;
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const int linediff2 = ma2 - mi2;
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const int linediff3 = ma3 - mi3;
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const int linediff4 = ma4 - mi4;
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const int u1 = FFMIN(c - ma1, linediff1);
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const int u2 = FFMIN(c - ma2, linediff2);
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const int u3 = FFMIN(c - ma3, linediff3);
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const int u4 = FFMIN(c - ma4, linediff4);
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const int u = FFMAX(FFMAX(FFMAX(u1, u2), FFMAX(u3, u4)), 0);
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const int d1 = FFMIN(mi1 - c, linediff1);
|
|
const int d2 = FFMIN(mi2 - c, linediff2);
|
|
const int d3 = FFMIN(mi3 - c, linediff3);
|
|
const int d4 = FFMIN(mi4 - c, linediff4);
|
|
const int d = FFMAX(FFMAX(FFMAX(d1, d2), FFMAX(d3, d4)), 0);
|
|
|
|
return c - u + d; // This probably will never overflow.
|
|
}
|
|
|
|
static int mode24(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
|
|
{
|
|
REMOVE_GRAIN_SORT_AXIS
|
|
|
|
const int linediff1 = ma1 - mi1;
|
|
const int linediff2 = ma2 - mi2;
|
|
const int linediff3 = ma3 - mi3;
|
|
const int linediff4 = ma4 - mi4;
|
|
|
|
const int tu1 = c - ma1;
|
|
const int tu2 = c - ma2;
|
|
const int tu3 = c - ma3;
|
|
const int tu4 = c - ma4;
|
|
|
|
const int u1 = FFMIN(tu1, linediff1 - tu1);
|
|
const int u2 = FFMIN(tu2, linediff2 - tu2);
|
|
const int u3 = FFMIN(tu3, linediff3 - tu3);
|
|
const int u4 = FFMIN(tu4, linediff4 - tu4);
|
|
const int u = FFMAX(FFMAX(FFMAX(u1, u2), FFMAX(u3, u4)), 0);
|
|
|
|
const int td1 = mi1 - c;
|
|
const int td2 = mi2 - c;
|
|
const int td3 = mi3 - c;
|
|
const int td4 = mi4 - c;
|
|
|
|
const int d1 = FFMIN(td1, linediff1 - td1);
|
|
const int d2 = FFMIN(td2, linediff2 - td2);
|
|
const int d3 = FFMIN(td3, linediff3 - td3);
|
|
const int d4 = FFMIN(td4, linediff4 - td4);
|
|
const int d = FFMAX(FFMAX(FFMAX(d1, d2), FFMAX(d3, d4)), 0);
|
|
|
|
return c - u + d; // This probably will never overflow.
|
|
}
|
|
|
|
static int config_input(AVFilterLink *inlink)
|
|
{
|
|
RemoveGrainContext *s = inlink->dst->priv;
|
|
const AVPixFmtDescriptor *desc = av_pix_fmt_desc_get(inlink->format);
|
|
int i;
|
|
|
|
s->nb_planes = av_pix_fmt_count_planes(inlink->format);
|
|
|
|
s->planeheight[1] = s->planeheight[2] = AV_CEIL_RSHIFT(inlink->h, desc->log2_chroma_h);
|
|
s->planeheight[0] = s->planeheight[3] = inlink->h;
|
|
s->planewidth[1] = s->planewidth[2] = AV_CEIL_RSHIFT(inlink->w, desc->log2_chroma_w);
|
|
s->planewidth[0] = s->planewidth[3] = inlink->w;
|
|
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
switch (s->mode[i]) {
|
|
case 1: s->rg[i] = mode01; break;
|
|
case 2: s->rg[i] = mode02; break;
|
|
case 3: s->rg[i] = mode03; break;
|
|
case 4: s->rg[i] = mode04; break;
|
|
case 5: s->rg[i] = mode05; break;
|
|
case 6: s->rg[i] = mode06; break;
|
|
case 7: s->rg[i] = mode07; break;
|
|
case 8: s->rg[i] = mode08; break;
|
|
case 9: s->rg[i] = mode09; break;
|
|
case 10: s->rg[i] = mode10; break;
|
|
case 11: s->rg[i] = mode1112; break;
|
|
case 12: s->rg[i] = mode1112; break;
|
|
case 13: s->skip_odd = 1;
|
|
s->rg[i] = mode1314; break;
|
|
case 14: s->skip_even = 1;
|
|
s->rg[i] = mode1314; break;
|
|
case 15: s->skip_odd = 1;
|
|
s->rg[i] = mode1516; break;
|
|
case 16: s->skip_even = 1;
|
|
s->rg[i] = mode1516; break;
|
|
case 17: s->rg[i] = mode17; break;
|
|
case 18: s->rg[i] = mode18; break;
|
|
case 19: s->rg[i] = mode19; break;
|
|
case 20: s->rg[i] = mode20; break;
|
|
case 21: s->rg[i] = mode21; break;
|
|
case 22: s->rg[i] = mode22; break;
|
|
case 23: s->rg[i] = mode23; break;
|
|
case 24: s->rg[i] = mode24; break;
|
|
}
|
|
}
|
|
|
|
if (ARCH_X86)
|
|
ff_removegrain_init_x86(s);
|
|
|
|
return 0;
|
|
}
|
|
|
|
typedef struct ThreadData {
|
|
AVFrame *in, *out;
|
|
int plane;
|
|
} ThreadData;
|
|
|
|
static int filter_slice(AVFilterContext *ctx, void *arg, int jobnr, int nb_jobs)
|
|
{
|
|
RemoveGrainContext *s = ctx->priv;
|
|
ThreadData *td = arg;
|
|
AVFrame *in = td->in;
|
|
AVFrame *out = td->out;
|
|
const int i = td->plane;
|
|
const int height = s->planeheight[i];
|
|
const int om = in->linesize[i] - 1;
|
|
const int o0 = in->linesize[i] ;
|
|
const int op = in->linesize[i] + 1;
|
|
int start = (height * jobnr ) / nb_jobs;
|
|
int end = (height * (jobnr+1)) / nb_jobs;
|
|
int x, y;
|
|
|
|
start = FFMAX(1, start);
|
|
end = FFMIN(height-1, end);
|
|
for (y = start; y < end; y++) {
|
|
uint8_t *dst = out->data[i];
|
|
uint8_t *src = in->data[i];
|
|
|
|
src = in->data[i] + y * in->linesize[i];
|
|
dst = out->data[i] + y * out->linesize[i];
|
|
|
|
if (s->skip_even && !(y & 1)) {
|
|
memcpy(dst, src, s->planewidth[i]);
|
|
continue;
|
|
}
|
|
if (s->skip_odd && y & 1) {
|
|
memcpy(dst, src, s->planewidth[i]);
|
|
continue;
|
|
}
|
|
|
|
*dst++ = *src++;
|
|
|
|
if (s->fl[i]) {
|
|
int w_asm = (s->planewidth[i] - 2) & ~15;
|
|
|
|
s->fl[i](dst, src, in->linesize[i], w_asm);
|
|
|
|
x = 1 + w_asm;
|
|
dst += w_asm;
|
|
src += w_asm;
|
|
} else
|
|
x = 1;
|
|
|
|
for (; x < s->planewidth[i] - 1; x++) {
|
|
const int a1 = src[-op];
|
|
const int a2 = src[-o0];
|
|
const int a3 = src[-om];
|
|
const int a4 = src[-1 ];
|
|
const int c = src[ 0 ];
|
|
const int a5 = src[ 1 ];
|
|
const int a6 = src[ om];
|
|
const int a7 = src[ o0];
|
|
const int a8 = src[ op];
|
|
|
|
const int res = s->rg[i](c, a1, a2, a3, a4, a5, a6, a7, a8);
|
|
|
|
*dst = res;
|
|
dst++, src++;
|
|
}
|
|
dst[0] = src[0];
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int filter_frame(AVFilterLink *inlink, AVFrame *in)
|
|
{
|
|
AVFilterContext *ctx = inlink->dst;
|
|
AVFilterLink *outlink = ctx->outputs[0];
|
|
RemoveGrainContext *s = ctx->priv;
|
|
ThreadData td;
|
|
AVFrame *out;
|
|
int i;
|
|
|
|
out = ff_get_video_buffer(outlink, outlink->w, outlink->h);
|
|
if (!out) {
|
|
av_frame_free(&in);
|
|
return AVERROR(ENOMEM);
|
|
}
|
|
av_frame_copy_props(out, in);
|
|
|
|
for (i = 0; i < s->nb_planes; i++) {
|
|
uint8_t *dst = out->data[i];
|
|
uint8_t *src = in->data[i];
|
|
|
|
if (s->mode[i] == 0) {
|
|
av_image_copy_plane(dst, out->linesize[i],
|
|
src, in->linesize[i],
|
|
s->planewidth[i], s->planeheight[i]);
|
|
continue;
|
|
}
|
|
|
|
memcpy(dst, src, s->planewidth[i]);
|
|
|
|
td.in = in; td.out = out; td.plane = i;
|
|
ff_filter_execute(ctx, filter_slice, &td, NULL,
|
|
FFMIN(s->planeheight[i], ff_filter_get_nb_threads(ctx)));
|
|
|
|
src = in->data[i] + (s->planeheight[i] - 1) * in->linesize[i];
|
|
dst = out->data[i] + (s->planeheight[i] - 1) * out->linesize[i];
|
|
memcpy(dst, src, s->planewidth[i]);
|
|
}
|
|
|
|
av_frame_free(&in);
|
|
return ff_filter_frame(outlink, out);
|
|
}
|
|
|
|
static const AVFilterPad removegrain_inputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
.filter_frame = filter_frame,
|
|
.config_props = config_input,
|
|
},
|
|
};
|
|
|
|
static const AVFilterPad removegrain_outputs[] = {
|
|
{
|
|
.name = "default",
|
|
.type = AVMEDIA_TYPE_VIDEO,
|
|
},
|
|
};
|
|
|
|
const AVFilter ff_vf_removegrain = {
|
|
.name = "removegrain",
|
|
.description = NULL_IF_CONFIG_SMALL("Remove grain."),
|
|
.priv_size = sizeof(RemoveGrainContext),
|
|
FILTER_INPUTS(removegrain_inputs),
|
|
FILTER_OUTPUTS(removegrain_outputs),
|
|
FILTER_PIXFMTS_ARRAY(pix_fmts),
|
|
.priv_class = &removegrain_class,
|
|
.flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
|
|
};
|