2 * Copyright (c) 2011 Stefano Sabatini
3 * Copyright (c) 2010 Baptiste Coudurier
4 * Copyright (c) 2003 Michael Zucchi <notzed@ximian.com>
6 * This file is part of FFmpeg.
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.
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.
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.
25 * temporal field interlace filter, ported from MPlayer/libmpcodecs
27 #ifndef AVFILTER_TINTERLACE_H
28 #define AVFILTER_TINTERLACE_H
30 #include "libavutil/bswap.h"
31 #include "libavutil/opt.h"
32 #include "libavutil/pixdesc.h"
33 #include "drawutils.h"
36 #define TINTERLACE_FLAG_VLPF 01
37 #define TINTERLACE_FLAG_CVLPF 2
38 #define TINTERLACE_FLAG_EXACT_TB 4
39 #define TINTERLACE_FLAG_BYPASS_IL 8
53 MODE_INTERLEAVE_BOTTOM,
59 enum InterlaceScanMode {
64 typedef struct TInterlaceContext {
66 int mode; ///< TInterlaceMode, interlace mode selected
67 AVRational preout_time_base;
68 int flags; ///< flags affecting interlacing algorithm
69 int lowpass; ///< legacy interlace filter lowpass mode
70 int vsub; ///< chroma vertical subsampling
73 uint8_t *black_data[4]; ///< buffer used to fill padded lines
74 int black_linesize[4];
77 const AVPixFmtDescriptor *csp;
78 void (*lowpass_line)(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp,
79 ptrdiff_t mref, ptrdiff_t pref, int clip_max);
82 void ff_tinterlace_init_x86(TInterlaceContext *interlace);
84 #endif /* AVFILTER_TINTERLACE_H */