blob: 8b42c760a0468d3e806463318f0b1bb8ed317b26
| 1 | /* |
| 2 | * This file is part of FFmpeg. |
| 3 | * |
| 4 | * FFmpeg is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU Lesser General Public |
| 6 | * License as published by the Free Software Foundation; either |
| 7 | * version 2.1 of the License, or (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 GNU |
| 12 | * Lesser General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU Lesser General Public |
| 15 | * License along with FFmpeg; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 17 | */ |
| 18 | |
| 19 | #ifndef AVFILTER_BWDIF_H |
| 20 | #define AVFILTER_BWDIF_H |
| 21 | |
| 22 | #include "libavutil/pixdesc.h" |
| 23 | #include "avfilter.h" |
| 24 | |
| 25 | enum BWDIFMode { |
| 26 | BWDIF_MODE_SEND_FRAME = 0, ///< send 1 frame for each frame |
| 27 | BWDIF_MODE_SEND_FIELD = 1, ///< send 1 frame for each field |
| 28 | }; |
| 29 | |
| 30 | enum BWDIFParity { |
| 31 | BWDIF_PARITY_TFF = 0, ///< top field first |
| 32 | BWDIF_PARITY_BFF = 1, ///< bottom field first |
| 33 | BWDIF_PARITY_AUTO = -1, ///< auto detection |
| 34 | }; |
| 35 | |
| 36 | enum BWDIFDeint { |
| 37 | BWDIF_DEINT_ALL = 0, ///< deinterlace all frames |
| 38 | BWDIF_DEINT_INTERLACED = 1, ///< only deinterlace frames marked as interlaced |
| 39 | }; |
| 40 | |
| 41 | typedef struct BWDIFContext { |
| 42 | const AVClass *class; |
| 43 | |
| 44 | int mode; ///< BWDIFMode |
| 45 | int parity; ///< BWDIFParity |
| 46 | int deint; ///< BWDIFDeint |
| 47 | |
| 48 | int frame_pending; |
| 49 | |
| 50 | AVFrame *cur; |
| 51 | AVFrame *next; |
| 52 | AVFrame *prev; |
| 53 | AVFrame *out; |
| 54 | |
| 55 | void (*filter_intra)(void *dst1, void *cur1, int w, int prefs, int mrefs, |
| 56 | int prefs3, int mrefs3, int parity, int clip_max); |
| 57 | void (*filter_line)(void *dst, void *prev, void *cur, void *next, |
| 58 | int w, int prefs, int mrefs, int prefs2, int mrefs2, |
| 59 | int prefs3, int mrefs3, int prefs4, int mrefs4, |
| 60 | int parity, int clip_max); |
| 61 | void (*filter_edge)(void *dst, void *prev, void *cur, void *next, |
| 62 | int w, int prefs, int mrefs, int prefs2, int mrefs2, |
| 63 | int parity, int clip_max, int spat); |
| 64 | |
| 65 | const AVPixFmtDescriptor *csp; |
| 66 | int inter_field; |
| 67 | int eof; |
| 68 | } BWDIFContext; |
| 69 | |
| 70 | void ff_bwdif_init_x86(BWDIFContext *bwdif); |
| 71 | |
| 72 | #endif /* AVFILTER_BWDIF_H */ |
| 73 |