mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-23 12:43:46 +02:00
46 lines
1.9 KiB
C
46 lines
1.9 KiB
C
/*
|
|
* Copyright (c) 2010 Nolan Lum <nol888@gmail.com>
|
|
* Copyright (c) 2009 Loren Merritt <lorenm@u.washignton.edu>
|
|
*
|
|
* This file is part of Libav.
|
|
*
|
|
* Libav 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.
|
|
*
|
|
* Libav 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 Libav; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVFILTER_GRADFUN_H
|
|
#define AVFILTER_GRADFUN_H
|
|
|
|
#include "avfilter.h"
|
|
|
|
/// Holds instance-specific information for gradfun.
|
|
typedef struct {
|
|
int thresh; ///< threshold for gradient algorithm
|
|
int radius; ///< blur radius
|
|
int chroma_w; ///< width of the chroma planes
|
|
int chroma_h; ///< weight of the chroma planes
|
|
int chroma_r; ///< blur radius for the chroma planes
|
|
uint16_t *buf; ///< holds image data for blur algorithm passed into filter.
|
|
/// DSP functions.
|
|
void (*filter_line) (uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
|
|
void (*blur_line) (uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
|
|
} GradFunContext;
|
|
|
|
void ff_gradfun_init_x86(GradFunContext *gf);
|
|
|
|
void ff_gradfun_filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
|
|
void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
|
|
|
|
#endif /* AVFILTER_GRADFUN_H */
|