Imported Debian version 2.5.0~trusty1.1
[deb_ffmpeg.git] / ffmpeg / libavfilter / tinterlace.h
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1/*
2 * Copyright (c) 2011 Stefano Sabatini
3 * Copyright (c) 2010 Baptiste Coudurier
4 * Copyright (c) 2003 Michael Zucchi <notzed@ximian.com>
5 *
6 * This file is part of FFmpeg.
7 *
8 * FFmpeg is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * FFmpeg is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License along
19 * with FFmpeg; if not, write to the Free Software Foundation, Inc.,
20 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 */
22
23/**
24 * @file
25 * temporal field interlace filter, ported from MPlayer/libmpcodecs
26 */
27#ifndef AVFILTER_TINTERLACE_H
28#define AVFILTER_TINTERLACE_H
29
30#include "libavutil/opt.h"
31#include "avfilter.h"
32
33enum TInterlaceMode {
34 MODE_MERGE = 0,
35 MODE_DROP_EVEN,
36 MODE_DROP_ODD,
37 MODE_PAD,
38 MODE_INTERLEAVE_TOP,
39 MODE_INTERLEAVE_BOTTOM,
40 MODE_INTERLACEX2,
41 MODE_NB,
42};
43
44typedef struct {
45 const AVClass *class;
46 enum TInterlaceMode mode; ///< interlace mode selected
47 AVRational preout_time_base;
48 int flags; ///< flags affecting interlacing algorithm
49 int frame; ///< number of the output frame
50 int vsub; ///< chroma vertical subsampling
51 AVFrame *cur;
52 AVFrame *next;
53 uint8_t *black_data[4]; ///< buffer used to fill padded lines
54 int black_linesize[4];
55 void (*lowpass_line)(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp,
56 const uint8_t *srcp_above, const uint8_t *srcp_below);
57} TInterlaceContext;
58
59void ff_tinterlace_init_x86(TInterlaceContext *interlace);
60
61#endif /* AVFILTER_TINTERLACE_H */