From 1c3b70e2e078bf0901b3af5491f923818809de37 Mon Sep 17 00:00:00 2001 From: Paul B Mahol Date: Tue, 15 Jan 2019 11:32:49 +0100 Subject: avfilter: add median filter --- libavfilter/median.h | 54 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 libavfilter/median.h (limited to 'libavfilter/median.h') diff --git a/libavfilter/median.h b/libavfilter/median.h new file mode 100644 index 0000000000..bb07fddd5d --- /dev/null +++ b/libavfilter/median.h @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2019 Paul B Mahol + * + * 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 + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + */ + +#ifndef AVFILTER_MEDIAN_H +#define AVFILTER_MEDIAN_H + +#include "avfilter.h" + +typedef struct MedianContext { + const AVClass *class; + + int planes; + int radius; + + int planewidth[4]; + int planeheight[4]; + int depth; + int nb_planes; + int nb_threads; + + uint16_t **coarse, **fine; + int coarse_size, fine_size; + int bins; + int t; + + void (*hadd)(uint16_t *dst, const uint16_t *src, int bins); + void (*hsub)(uint16_t *dst, const uint16_t *src, int bins); + void (*hmuladd)(uint16_t *dst, const uint16_t *src, int f, int bins); + + void (*filter_plane)(AVFilterContext *ctx, const uint8_t *ssrc, int src_linesize, + uint8_t *ddst, int dst_linesize, int width, int height, + int slice_h_start, int slice_h_end, int jobnr); +} MedianContext; + +#endif -- cgit v1.2.3