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64 lines
1.8 KiB
64 lines
1.8 KiB
/* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 2 of the License, or |
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* (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along |
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* with FFmpeg; if not, write to the Free Software Foundation, Inc., |
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
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*/ |
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/** |
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* @file |
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* progressive to interlaced content filter, inspired by heavy debugging of |
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* tinterlace filter. |
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*/ |
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#ifndef AVFILTER_INTERLACE_H |
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#define AVFILTER_INTERLACE_H |
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#include "libavutil/common.h" |
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#include "libavutil/imgutils.h" |
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#include "libavutil/opt.h" |
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#include "avfilter.h" |
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#include "formats.h" |
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#include "internal.h" |
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#include "video.h" |
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enum ScanMode { |
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MODE_TFF = 0, |
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MODE_BFF = 1, |
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}; |
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enum FieldType { |
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FIELD_UPPER = 0, |
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FIELD_LOWER = 1, |
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}; |
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enum VLPFilter { |
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VLPF_OFF = 0, |
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VLPF_LIN = 1, |
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VLPF_CMP = 2, |
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}; |
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typedef struct InterlaceContext { |
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const AVClass *class; |
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enum ScanMode scan; // top or bottom field first scanning |
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int lowpass; // enable or disable low pass filtering |
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AVFrame *cur, *next; // the two frames from which the new one is obtained |
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void (*lowpass_line)(uint8_t *dstp, ptrdiff_t linesize, const uint8_t *srcp, |
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ptrdiff_t mref, ptrdiff_t pref); |
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} InterlaceContext; |
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void ff_interlace_init_x86(InterlaceContext *interlace); |
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#endif /* AVFILTER_INTERLACE_H */
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