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100 lines
3.2 KiB
100 lines
3.2 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 |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (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 GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#ifndef AVFILTER_YADIF_H |
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#define AVFILTER_YADIF_H |
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#include "libavutil/opt.h" |
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#include "libavutil/pixdesc.h" |
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#include "avfilter.h" |
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enum YADIFMode { |
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YADIF_MODE_SEND_FRAME = 0, ///< send 1 frame for each frame |
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YADIF_MODE_SEND_FIELD = 1, ///< send 1 frame for each field |
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YADIF_MODE_SEND_FRAME_NOSPATIAL = 2, ///< send 1 frame for each frame but skips spatial interlacing check |
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YADIF_MODE_SEND_FIELD_NOSPATIAL = 3, ///< send 1 frame for each field but skips spatial interlacing check |
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}; |
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enum YADIFParity { |
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YADIF_PARITY_TFF = 0, ///< top field first |
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YADIF_PARITY_BFF = 1, ///< bottom field first |
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YADIF_PARITY_AUTO = -1, ///< auto detection |
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}; |
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enum YADIFDeint { |
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YADIF_DEINT_ALL = 0, ///< deinterlace all frames |
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YADIF_DEINT_INTERLACED = 1, ///< only deinterlace frames marked as interlaced |
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}; |
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enum YADIFCurrentField { |
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YADIF_FIELD_BACK_END = -1, ///< The last frame in a sequence |
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YADIF_FIELD_END = 0, ///< The first or last field in a sequence |
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YADIF_FIELD_NORMAL = 1, ///< A normal field in the middle of a sequence |
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}; |
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typedef struct YADIFContext { |
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const AVClass *class; |
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int mode; ///< YADIFMode |
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int parity; ///< YADIFParity |
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int deint; ///< YADIFDeint |
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int frame_pending; |
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AVFrame *cur; |
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AVFrame *next; |
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AVFrame *prev; |
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AVFrame *out; |
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void (*filter)(AVFilterContext *ctx, AVFrame *dstpic, int parity, int tff); |
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/** |
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* Required alignment for filter_line |
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*/ |
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void (*filter_line)(void *dst, |
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void *prev, void *cur, void *next, |
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int w, int prefs, int mrefs, int parity, int mode); |
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void (*filter_edges)(void *dst, void *prev, void *cur, void *next, |
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int w, int prefs, int mrefs, int parity, int mode); |
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int nb_components; |
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int depth; |
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int hsub; |
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int vsub; |
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int eof; |
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uint8_t *temp_line; |
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int temp_line_size; |
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/* |
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* An algorithm that treats first and/or last fields in a sequence |
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* differently can use this to detect those cases. It is the algorithm's |
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* responsibility to set the value to YADIF_FIELD_NORMAL after processing |
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* the first field. |
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*/ |
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int current_field; ///< YADIFCurrentField |
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} YADIFContext; |
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void ff_yadif_init_x86(YADIFContext *yadif); |
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int ff_yadif_filter_frame(AVFilterLink *link, AVFrame *frame); |
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int ff_yadif_request_frame(AVFilterLink *link); |
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extern const AVOption ff_yadif_options[]; |
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#endif /* AVFILTER_YADIF_H */
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