external_ffmpeg/libavfilter/mapping.h

48 lines
1.6 KiB
C

/*
* This file is part of FFmpeg.
*
* FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser 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
*/
#ifndef AVFILTER_MAPPING_H
#define AVFILTER_MAPPING_H
#include <stddef.h>
#include <stdlib.h>
#include "libavutil/error.h"
#include "libavutil/mem.h"
#define ROUTE_OFF 0
#define ROUTE_ON 1
/**
* @file
* control routing for src filter
*/
/**
* Parse the mapping definition.
*
* @param map_str The mapping definition string.
* @param map Pointer to an array that will hold the parsed mapping relationships.
* The array will be allocated by this function and should be freed
* by the caller using av_freep().
* @param nb_map The number of mappings expected in the map array.
* @return 0 on success, a negative AVERROR code on error.
*/
int avfilter_parse_mapping(const char *map_str, int **map, int nb_map);
#endif /* AVFILTER_MAPPING_H */