repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| 2ba45a60 DM |
1 | /* |
| 2 | * Copyright (c) 2010 Nolan Lum <nol888@gmail.com> | |
| 3 | * Copyright (c) 2009 Loren Merritt <lorenm@u.washington.edu> | |
| 4 | * | |
| 5 | * This file is part of FFmpeg. | |
| 6 | * | |
| 7 | * FFmpeg 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 | * FFmpeg 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 FFmpeg; 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 | ||
| 27 | /// Holds instance-specific information for gradfun. | |
| 28 | typedef struct GradFunContext { | |
| 29 | const AVClass *class; | |
| 30 | float strength; | |
| 31 | int thresh; ///< threshold for gradient algorithm | |
| 32 | int radius; ///< blur radius | |
| 33 | int chroma_w; ///< width of the chroma planes | |
| 34 | int chroma_h; ///< weight of the chroma planes | |
| 35 | int chroma_r; ///< blur radius for the chroma planes | |
| 36 | uint16_t *buf; ///< holds image data for blur algorithm passed into filter. | |
| 37 | /// DSP functions. | |
| 38 | void (*filter_line) (uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers); | |
| 39 | void (*blur_line) (uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width); | |
| 40 | } GradFunContext; | |
| 41 | ||
| 42 | void ff_gradfun_init_x86(GradFunContext *gf); | |
| 43 | ||
| 44 | void ff_gradfun_filter_line_c(uint8_t *dst, const uint8_t *src, const uint16_t *dc, int width, int thresh, const uint16_t *dithers); | |
| 45 | void ff_gradfun_blur_line_c(uint16_t *dc, uint16_t *buf, const uint16_t *buf1, const uint8_t *src, int src_linesize, int width); | |
| 46 | ||
| 47 | #endif /* AVFILTER_GRADFUN_H */ |