gradfun.h
Go to the documentation of this file.
1 /*
2  * Copyright (c) 2010 Nolan Lum <nol888@gmail.com>
3  * Copyright (c) 2009 Loren Merritt <lorenm@u.washignton.edu>
4  *
5  * This file is part of Libav.
6  *
7  * Libav is free software; you can redistribute it and/or
8  * modify it under the terms of the GNU Lesser General Public
9  * License as published by the Free Software Foundation; either
10  * version 2.1 of the License, or (at your option) any later version.
11  *
12  * Libav is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  * Lesser General Public License for more details.
16  *
17  * You should have received a copy of the GNU Lesser General Public
18  * License along with Libav; if not, write to the Free Software
19  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
20  */
21 
22 #ifndef AVFILTER_GRADFUN_H
23 #define AVFILTER_GRADFUN_H
24 
25 #include "avfilter.h"
26 
28 typedef struct {
29  int thresh;
30  int radius;
31  int chroma_w;
32  int chroma_h;
33  int chroma_r;
34  uint16_t *buf;
35  void (*filter_line) (uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
37  void (*blur_line) (uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
39 
40 void ff_gradfun_filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
41 void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
42 
43 void ff_gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
44 void ff_gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers);
45 
46 void ff_gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width);
47 
48 #endif /* AVFILTER_GRADFUN_H */
void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width)
Definition: vf_gradfun.c:66
int radius
blur radius
Definition: gradfun.h:30
int width
Definition: rotozoom.c:164
void ff_gradfun_filter_line_mmx2(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
Definition: gradfun.c:28
Holds instance-specific information for gradfun.
Definition: gradfun.h:28
int chroma_h
weight of the chroma planes
Definition: gradfun.h:32
void ff_gradfun_filter_line_c(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
Definition: vf_gradfun.c:52
void ff_gradfun_filter_line_ssse3(uint8_t *dst, uint8_t *src, uint16_t *dc, int width, int thresh, const uint16_t *dithers)
Definition: gradfun.c:76
uint16_t * buf
holds image data for blur algorithm passed into filter.
Definition: gradfun.h:34
static void(WINAPI *cond_broadcast)(pthread_cond_t *cond)
int chroma_w
width of the chroma planes
Definition: gradfun.h:31
void ff_gradfun_blur_line_sse2(uint16_t *dc, uint16_t *buf, uint16_t *buf1, uint8_t *src, int src_linesize, int width)
Definition: gradfun.c:123
int thresh
threshold for gradient algorithm
Definition: gradfun.h:29
int chroma_r
blur radius for the chroma planes
Definition: gradfun.h:33