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- /*
- * Copyright (c) 2012 Laurent de Soras
- * Copyright (c) 2013 Fredrik Mellbin
- * Copyright (c) 2015 Paul B Mahol
- * Copyright (c) 2015 James Darnley
- *
- * This file is part of FFmpeg.
- *
- * FFmpeg is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2.1 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
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser 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/imgutils.h"
- #include "libavutil/opt.h"
- #include "libavutil/pixdesc.h"
- #include "libavutil/qsort.h"
- #include "avfilter.h"
- #include "formats.h"
- #include "internal.h"
- #include "removegrain.h"
- #include "video.h"
- #define OFFSET(x) offsetof(RemoveGrainContext, x)
- #define FLAGS AV_OPT_FLAG_FILTERING_PARAM|AV_OPT_FLAG_VIDEO_PARAM
- static const AVOption removegrain_options[] = {
- { "m0", "set mode for 1st plane", OFFSET(mode[0]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
- { "m1", "set mode for 2nd plane", OFFSET(mode[1]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
- { "m2", "set mode for 3rd plane", OFFSET(mode[2]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
- { "m3", "set mode for 4th plane", OFFSET(mode[3]), AV_OPT_TYPE_INT, {.i64=0}, 0, 24, FLAGS },
- {NULL}
- };
- AVFILTER_DEFINE_CLASS(removegrain);
- static int query_formats(AVFilterContext *ctx)
- {
- static const enum AVPixelFormat pix_fmts[] = {
- AV_PIX_FMT_GRAY8,
- AV_PIX_FMT_YUV420P, AV_PIX_FMT_YUV422P, AV_PIX_FMT_YUV444P,
- AV_PIX_FMT_YUVA420P, AV_PIX_FMT_YUVA422P, AV_PIX_FMT_YUVA444P,
- AV_PIX_FMT_YUV440P, AV_PIX_FMT_YUV411P, AV_PIX_FMT_YUV410P,
- AV_PIX_FMT_YUVJ411P, AV_PIX_FMT_YUVJ420P, AV_PIX_FMT_YUVJ422P,
- AV_PIX_FMT_YUVJ440P, AV_PIX_FMT_YUVJ444P,
- AV_PIX_FMT_GBRP, AV_PIX_FMT_GBRAP,
- AV_PIX_FMT_NONE
- };
- AVFilterFormats *fmts_list = ff_make_format_list(pix_fmts);
- if (!fmts_list)
- return AVERROR(ENOMEM);
- return ff_set_common_formats(ctx, fmts_list);
- }
- #define REMOVE_GRAIN_SORT_AXIS \
- const int ma1 = FFMAX(a1, a8); \
- const int mi1 = FFMIN(a1, a8); \
- const int ma2 = FFMAX(a2, a7); \
- const int mi2 = FFMIN(a2, a7); \
- const int ma3 = FFMAX(a3, a6); \
- const int mi3 = FFMIN(a3, a6); \
- const int ma4 = FFMAX(a4, a5); \
- const int mi4 = FFMIN(a4, a5);
- static int mode01(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int mi = FFMIN(FFMIN(FFMIN(a1, a2), FFMIN(a3, a4)), FFMIN(FFMIN(a5, a6), FFMIN(a7, a8)));
- const int ma = FFMAX(FFMAX(FFMAX(a1, a2), FFMAX(a3, a4)), FFMAX(FFMAX(a5, a6), FFMAX(a7, a8)));
- return av_clip(c, mi, ma);
- }
- static int cmp_int(const void *p1, const void *p2)
- {
- int left = *(const int *)p1;
- int right = *(const int *)p2;
- return FFDIFFSIGN(left, right);
- }
- static int mode02(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
- AV_QSORT(a, 8, int, cmp_int);
- return av_clip(c, a[2 - 1 ], a[7 - 1]);
- }
- static int mode03(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
- AV_QSORT(a, 8, int, cmp_int);
- return av_clip(c, a[3 - 1 ], a[6 - 1]);
- }
- static int mode04(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- int a[8] = { a1, a2, a3, a4, a5, a6, a7, a8 };
- AV_QSORT(a, 8, int, cmp_int);
- return av_clip(c, a[4 - 1 ], a[5 - 1]);
- }
- static int mode05(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int c1 = FFABS(c - av_clip(c, mi1, ma1));
- const int c2 = FFABS(c - av_clip(c, mi2, ma2));
- const int c3 = FFABS(c - av_clip(c, mi3, ma3));
- const int c4 = FFABS(c - av_clip(c, mi4, ma4));
- const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
- /* When adding SIMD notice the return order here: 4, 2, 3, 1. */
- if (mindiff == c4) {
- return av_clip(c, mi4, ma4);
- } else if (mindiff == c2) {
- return av_clip(c, mi2, ma2);
- } else if (mindiff == c3) {
- return av_clip(c, mi3, ma3);
- }
- return av_clip(c, mi1, ma1);
- }
- static int mode06(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int d1 = ma1 - mi1;
- const int d2 = ma2 - mi2;
- const int d3 = ma3 - mi3;
- const int d4 = ma4 - mi4;
- const int cli1 = av_clip(c, mi1, ma1);
- const int cli2 = av_clip(c, mi2, ma2);
- const int cli3 = av_clip(c, mi3, ma3);
- const int cli4 = av_clip(c, mi4, ma4);
- const int c1 = av_clip_uint16((FFABS(c - cli1) << 1) + d1);
- const int c2 = av_clip_uint16((FFABS(c - cli2) << 1) + d2);
- const int c3 = av_clip_uint16((FFABS(c - cli3) << 1) + d3);
- const int c4 = av_clip_uint16((FFABS(c - cli4) << 1) + d4);
- const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
- if (mindiff == c4) {
- return cli4;
- } else if (mindiff == c2) {
- return cli2;
- } else if (mindiff == c3) {
- return cli3;
- }
- return cli1;
- }
- static int mode07(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int d1 = ma1 - mi1;
- const int d2 = ma2 - mi2;
- const int d3 = ma3 - mi3;
- const int d4 = ma4 - mi4;
- const int cli1 = av_clip(c, mi1, ma1);
- const int cli2 = av_clip(c, mi2, ma2);
- const int cli3 = av_clip(c, mi3, ma3);
- const int cli4 = av_clip(c, mi4, ma4);
- const int c1 = FFABS(c - cli1) + d1;
- const int c2 = FFABS(c - cli2) + d2;
- const int c3 = FFABS(c - cli3) + d3;
- const int c4 = FFABS(c - cli4) + d4;
- const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
- if (mindiff == c4) {
- return cli4;
- } else if (mindiff == c2) {
- return cli2;
- } else if (mindiff == c3) {
- return cli3;
- }
- return cli1;
- }
- static int mode08(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int d1 = ma1 - mi1;
- const int d2 = ma2 - mi2;
- const int d3 = ma3 - mi3;
- const int d4 = ma4 - mi4;
- const int cli1 = av_clip(c, mi1, ma1);
- const int cli2 = av_clip(c, mi2, ma2);
- const int cli3 = av_clip(c, mi3, ma3);
- const int cli4 = av_clip(c, mi4, ma4);
- const int c1 = av_clip_uint16(FFABS(c - cli1) + (d1 << 1));
- const int c2 = av_clip_uint16(FFABS(c - cli2) + (d2 << 1));
- const int c3 = av_clip_uint16(FFABS(c - cli3) + (d3 << 1));
- const int c4 = av_clip_uint16(FFABS(c - cli4) + (d4 << 1));
- const int mindiff = FFMIN(FFMIN(c1, c2), FFMIN(c3, c4));
- if (mindiff == c4) {
- return cli4;
- } else if (mindiff == c2) {
- return cli2;
- } else if (mindiff == c3) {
- return cli3;
- }
- return cli1;
- }
- static int mode09(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int d1 = ma1 - mi1;
- const int d2 = ma2 - mi2;
- const int d3 = ma3 - mi3;
- const int d4 = ma4 - mi4;
- const int mindiff = FFMIN(FFMIN(d1, d2), FFMIN(d3, d4));
- if (mindiff == d4) {
- return av_clip(c, mi4, ma4);
- } else if (mindiff == d2) {
- return av_clip(c, mi2, ma2);
- } else if (mindiff == d3) {
- return av_clip(c, mi3, ma3);
- }
- return av_clip(c, mi1, ma1);
- }
- static int mode10(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int d1 = FFABS(c - a1);
- const int d2 = FFABS(c - a2);
- const int d3 = FFABS(c - a3);
- const int d4 = FFABS(c - a4);
- const int d5 = FFABS(c - a5);
- const int d6 = FFABS(c - a6);
- const int d7 = FFABS(c - a7);
- const int d8 = FFABS(c - a8);
- const int mindiff = FFMIN(FFMIN(FFMIN(d1, d2), FFMIN(d3, d4)),
- FFMIN(FFMIN(d5, d6), FFMIN(d7, d8)));
- if (mindiff == d7) return a7;
- if (mindiff == d8) return a8;
- if (mindiff == d6) return a6;
- if (mindiff == d2) return a2;
- if (mindiff == d3) return a3;
- if (mindiff == d1) return a1;
- if (mindiff == d5) return a5;
- return a4;
- }
- static int mode1112(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int sum = 4 * c + 2 * (a2 + a4 + a5 + a7) + a1 + a3 + a6 + a8;
- const int val = (sum + 8) >> 4;
- return val;
- }
- static int mode1314(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int d1 = FFABS(a1 - a8);
- const int d2 = FFABS(a2 - a7);
- const int d3 = FFABS(a3 - a6);
- const int mindiff = FFMIN(FFMIN(d1, d2), d3);
- if (mindiff == d2) {
- return (a2 + a7 + 1) >> 1;
- }
- if (mindiff == d3) {
- return (a3 + a6 + 1) >> 1;
- }
- return (a1 + a8 + 1) >> 1;
- }
- static int mode1516(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int d1 = FFABS(a1 - a8);
- const int d2 = FFABS(a2 - a7);
- const int d3 = FFABS(a3 - a6);
- const int mindiff = FFMIN(FFMIN(d1, d2), d3);
- const int average = (2 * (a2 + a7) + a1 + a3 + a6 + a8 + 4) >> 3;
- if (mindiff == d2) {
- return av_clip(average, FFMIN(a2, a7), FFMAX(a2, a7));
- }
- if (mindiff == d3) {
- return av_clip(average, FFMIN(a3, a6), FFMAX(a3, a6));
- }
- return av_clip(average, FFMIN(a1, a8), FFMAX(a1, a8));
- }
- static int mode17(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- REMOVE_GRAIN_SORT_AXIS
- const int l = FFMAX(FFMAX(mi1, mi2), FFMAX(mi3, mi4));
- const int u = FFMIN(FFMIN(ma1, ma2), FFMIN(ma3, ma4));
- return av_clip(c, FFMIN(l, u), FFMAX(l, u));
- }
- static int mode18(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int d1 = FFMAX(FFABS(c - a1), FFABS(c - a8));
- const int d2 = FFMAX(FFABS(c - a2), FFABS(c - a7));
- const int d3 = FFMAX(FFABS(c - a3), FFABS(c - a6));
- const int d4 = FFMAX(FFABS(c - a4), FFABS(c - a5));
- const int mindiff = FFMIN(FFMIN(d1, d2), FFMIN(d3, d4));
- if (mindiff == d4) {
- return av_clip(c, FFMIN(a4, a5), FFMAX(a4, a5));
- }
- if (mindiff == d2) {
- return av_clip(c, FFMIN(a2, a7), FFMAX(a2, a7));
- }
- if (mindiff == d3) {
- return av_clip(c, FFMIN(a3, a6), FFMAX(a3, a6));
- }
- return av_clip(c, FFMIN(a1, a8), FFMAX(a1, a8));
- }
- static int mode19(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int sum = a1 + a2 + a3 + a4 + a5 + a6 + a7 + a8;
- const int val = (sum + 4) >> 3;
- return val;
- }
- static int mode20(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int sum = a1 + a2 + a3 + a4 + c + a5 + a6 + a7 + a8;
- const int val = (sum + 4) / 9;
- return val;
- }
- static int mode21(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int l1l = (a1 + a8) >> 1;
- const int l2l = (a2 + a7) >> 1;
- const int l3l = (a3 + a6) >> 1;
- const int l4l = (a4 + a5) >> 1;
- const int l1h = (a1 + a8 + 1) >> 1;
- const int l2h = (a2 + a7 + 1) >> 1;
- const int l3h = (a3 + a6 + 1) >> 1;
- const int l4h = (a4 + a5 + 1) >> 1;
- const int mi = FFMIN(FFMIN(l1l, l2l), FFMIN(l3l, l4l));
- const int ma = FFMAX(FFMAX(l1h, l2h), FFMAX(l3h, l4h));
- return av_clip(c, mi, ma);
- }
- static int mode22(int c, int a1, int a2, int a3, int a4, int a5, int a6, int a7, int a8)
- {
- const int l1 = (a1 + a8 + 1) >> 1;
- const int l2 = (a2 + a7 + 1) >> 1;
- const int l3 = (a3 + a6 + 1) >> 1;
- const int l4 = (a4 + a5 + 1) >> 1;
- const int mi = FFMIN(FFMIN(l1, l2), FFMIN(l3, l4));
- const int ma = FFMAX(FFMAX(l1, l2), FFMAX(l3, l4));
- return av_clip(c, mi, ma);
- }
- static int mode23(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 u1 = FFMIN(c - ma1, linediff1);
- const int u2 = FFMIN(c - ma2, linediff2);
- const int u3 = FFMIN(c - ma3, linediff3);
- const int u4 = FFMIN(c - ma4, linediff4);
- const int u = FFMAX(FFMAX(FFMAX(u1, u2), FFMAX(u3, u4)), 0);
- 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;
- ctx->internal->execute(ctx, filter_slice, &td, NULL,
- FFMIN(s->planeheight[i], ctx->graph->nb_threads));
- 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,
- },
- { NULL }
- };
- static const AVFilterPad removegrain_outputs[] = {
- {
- .name = "default",
- .type = AVMEDIA_TYPE_VIDEO,
- },
- { NULL }
- };
- AVFilter ff_vf_removegrain = {
- .name = "removegrain",
- .description = NULL_IF_CONFIG_SMALL("Remove grain."),
- .priv_size = sizeof(RemoveGrainContext),
- .query_formats = query_formats,
- .inputs = removegrain_inputs,
- .outputs = removegrain_outputs,
- .priv_class = &removegrain_class,
- .flags = AVFILTER_FLAG_SUPPORT_TIMELINE_GENERIC | AVFILTER_FLAG_SLICE_THREADS,
- };
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