| /* |
| * 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 |
| */ |
| |
| #ifndef AVFILTER_IDET_H |
| #define AVFILTER_IDET_H |
| |
| #include "libavutil/pixdesc.h" |
| #include "avfilter.h" |
| |
| #define HIST_SIZE 4 |
| |
| typedef int (*ff_idet_filter_func)(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
| |
| typedef enum { |
| TFF, |
| BFF, |
| PROGRESSIVE, |
| UNDETERMINED, |
| } Type; |
| |
| typedef enum { |
| REPEAT_NONE, |
| REPEAT_TOP, |
| REPEAT_BOTTOM, |
| } RepeatedField; |
| |
| typedef struct { |
| const AVClass *class; |
| float interlace_threshold; |
| float progressive_threshold; |
| float repeat_threshold; |
| float half_life; |
| uint64_t decay_coefficient; |
| |
| Type last_type; |
| |
| uint64_t repeats[3]; |
| uint64_t prestat[4]; |
| uint64_t poststat[4]; |
| uint64_t total_repeats[3]; |
| uint64_t total_prestat[4]; |
| uint64_t total_poststat[4]; |
| |
| uint8_t history[HIST_SIZE]; |
| |
| AVFrame *cur; |
| AVFrame *next; |
| AVFrame *prev; |
| ff_idet_filter_func filter_line; |
| |
| int interlaced_flag_accuracy; |
| int analyze_interlaced_flag; |
| int analyze_interlaced_flag_done; |
| |
| const AVPixFmtDescriptor *csp; |
| int eof; |
| } IDETContext; |
| |
| void ff_idet_init_x86(IDETContext *idet, int for_16b); |
| |
| /* main fall-back for left-over */ |
| int ff_idet_filter_line_c(const uint8_t *a, const uint8_t *b, const uint8_t *c, int w); |
| int ff_idet_filter_line_c_16bit(const uint16_t *a, const uint16_t *b, const uint16_t *c, int w); |
| |
| #endif |