mirror of https://github.com/FFmpeg/FFmpeg.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
77 lines
2.3 KiB
77 lines
2.3 KiB
/* |
|
* Copyright (c) 2011 Stefano Sabatini |
|
* Copyright (c) 2010 Baptiste Coudurier |
|
* Copyright (c) 2003 Michael Zucchi <notzed@ximian.com> |
|
* |
|
* This file is part of FFmpeg. |
|
* |
|
* FFmpeg is free software; you can redistribute it and/or modify |
|
* it under the terms of the GNU General Public License as published by |
|
* the Free Software Foundation; either version 2 of the License, or |
|
* (at your option) any later version. |
|
* |
|
* FFmpeg is distributed in the hope that it will be useful, |
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
* GNU General Public License for more details. |
|
* |
|
* You should have received a copy of the GNU General Public License along |
|
* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
|
*/ |
|
|
|
/** |
|
* @file |
|
* temporal field interlace filter, ported from MPlayer/libmpcodecs |
|
*/ |
|
#ifndef AVFILTER_TINTERLACE_H |
|
#define AVFILTER_TINTERLACE_H |
|
|
|
#include "libavutil/bswap.h" |
|
#include "libavutil/opt.h" |
|
#include "libavutil/pixdesc.h" |
|
#include "drawutils.h" |
|
#include "avfilter.h" |
|
|
|
#define TINTERLACE_FLAG_VLPF 01 |
|
#define TINTERLACE_FLAG_CVLPF 2 |
|
#define TINTERLACE_FLAG_EXACT_TB 4 |
|
|
|
enum TInterlaceMode { |
|
MODE_MERGE = 0, |
|
MODE_DROP_EVEN, |
|
MODE_DROP_ODD, |
|
MODE_PAD, |
|
MODE_INTERLEAVE_TOP, |
|
MODE_INTERLEAVE_BOTTOM, |
|
MODE_INTERLACEX2, |
|
MODE_MERGEX2, |
|
MODE_NB, |
|
}; |
|
|
|
enum InterlaceScanMode { |
|
MODE_TFF = 0, |
|
MODE_BFF, |
|
}; |
|
|
|
typedef struct TInterlaceContext { |
|
const AVClass *class; |
|
int mode; ///< TInterlaceMode, interlace mode selected |
|
AVRational preout_time_base; |
|
int flags; ///< flags affecting interlacing algorithm |
|
int frame; ///< number of the output frame |
|
int vsub; ///< chroma vertical subsampling |
|
AVFrame *cur; |
|
AVFrame *next; |
|
uint8_t *black_data[4]; ///< buffer used to fill padded lines |
|
int black_linesize[4]; |
|
FFDrawContext draw; |
|
FFDrawColor color; |
|
const AVPixFmtDescriptor *csp; |
|
void (*lowpass_line)(uint8_t *dstp, ptrdiff_t width, const uint8_t *srcp, |
|
ptrdiff_t mref, ptrdiff_t pref, int clip_max); |
|
} TInterlaceContext; |
|
|
|
void ff_tinterlace_init_x86(TInterlaceContext *interlace); |
|
|
|
#endif /* AVFILTER_TINTERLACE_H */
|
|
|