repositories / deb_ffmpeg.git / blame
| Commit | Line | Data |
|---|---|---|
| f6fa7814 DM |
1 | /* |
| 2 | * This file is part of FFmpeg. | |
| 3 | * | |
| 4 | * FFmpeg is free software; you can redistribute it and/or modify | |
| 5 | * it under the terms of the GNU General Public License as published by | |
| 6 | * the Free Software Foundation; either version 2 of the License, or | |
| 7 | * (at your option) any later version. | |
| 8 | * | |
| 9 | * FFmpeg is distributed in the hope that it will be useful, | |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 13 | * | |
| 14 | * You should have received a copy of the GNU General Public License along | |
| 15 | * with FFmpeg; if not, write to the Free Software Foundation, Inc., | |
| 16 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
| 17 | */ | |
| 18 | ||
| 19 | /** | |
| 20 | * @file | |
| 21 | * progressive to interlaced content filter, inspired by heavy debugging of | |
| 22 | * tinterlace filter. | |
| 23 | */ | |
| 24 | ||
| 25 | #ifndef AVFILTER_INTERLACE_H | |
| 26 | #define AVFILTER_INTERLACE_H | |
| 27 | ||
| 28 | #include "libavutil/common.h" | |
| 29 | #include "libavutil/imgutils.h" | |
| 30 | #include "libavutil/opt.h" | |
| 31 | ||
| 32 | #include "avfilter.h" | |
| 33 | #include "formats.h" | |
| 34 | #include "internal.h" | |
| 35 | #include "video.h" | |
| 36 | ||
| 37 | enum ScanMode { | |
| 38 | MODE_TFF = 0, | |
| 39 | MODE_BFF = 1, | |
| 40 | }; | |
| 41 | ||
| 42 | enum FieldType { | |
| 43 | FIELD_UPPER = 0, | |
| 44 | FIELD_LOWER = 1, | |
| 45 | }; | |
| 46 | ||
| 47 | typedef struct InterlaceContext { | |
| 48 | const AVClass *class; | |
| 49 | enum ScanMode scan; // top or bottom field first scanning | |
| 50 | int lowpass; // enable or disable low pass filterning | |
| 51 | AVFrame *cur, *next; // the two frames from which the new one is obtained | |
| 52 | void (*lowpass_line)(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, | |
| 53 | const uint8_t *srcp_above, const uint8_t *srcp_below); | |
| 54 | } InterlaceContext; | |
| 55 | ||
| 56 | void ff_interlace_init_x86(InterlaceContext *interlace); | |
| 57 | ||
| 58 | #endif /* AVFILTER_INTERLACE_H */ |