h264_metadata: Add option to delete filler data
[libav.git] / libavfilter / yadif.h
1 /*
2 * This file is part of Libav.
3 *
4 * Libav 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 * Libav 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 Libav; 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_YADIF_H
20 #define AVFILTER_YADIF_H
21
22 #include "libavutil/pixdesc.h"
23 #include "avfilter.h"
24
25 typedef struct YADIFContext {
26 const AVClass *class;
27 /**
28 * 0: send 1 frame for each frame
29 * 1: send 1 frame for each field
30 * 2: like 0 but skips spatial interlacing check
31 * 3: like 1 but skips spatial interlacing check
32 */
33 int mode;
34
35 /**
36 * 0: top field first
37 * 1: bottom field first
38 * -1: auto-detection
39 */
40 int parity;
41
42 int frame_pending;
43
44 /**
45 * 0: deinterlace all frames
46 * 1: only deinterlace frames marked as interlaced
47 */
48 int auto_enable;
49
50 AVFrame *cur;
51 AVFrame *next;
52 AVFrame *prev;
53 AVFrame *out;
54
55 /**
56 * Required alignment for filter_line
57 */
58 void (*filter_line)(void *dst,
59 void *prev, void *cur, void *next,
60 int w, int prefs, int mrefs, int parity, int mode);
61 void (*filter_edges)(void *dst, void *prev, void *cur, void *next,
62 int w, int prefs, int mrefs, int parity, int mode);
63
64 const AVPixFmtDescriptor *csp;
65 int eof;
66 } YADIFContext;
67
68 void ff_yadif_init_x86(YADIFContext *yadif);
69
70 #endif /* AVFILTER_YADIF_H */