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/*
* Filter graph parser
* copyright (c) 2007 Bobby Bingham
*
* 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 FFMPEG_GRAPHPARSER_H
#define FFMPEG_GRAPHPARSER_H
#include "avfilter.h"
#include "avfiltergraph.h"
enum LinkType {
LinkTypeIn,
LinkTypeOut,
};
/**
* A linked-list of the inputs/outputs of the filter chain.
*/
typedef struct AVFilterInOut {
enum LinkType type;
const char *name;
AVFilterContext *filter;
int pad_idx;
struct AVFilterInOut *next;
} AVFilterInOut;
/**
* Add to a graph a graph described by a string.
* @param graph the filter graph where to link the parsed graph context
* @param filters string to be parsed
* @param inouts linked list to the inputs and outputs of the graph
* @param outpad pad index of the output
* @return zero on success, -1 on error
*/
int avfilter_parse_graph(AVFilterGraph *graph, const char *filters,
AVFilterInOut *inouts, AVClass *log_ctx);
#endif /* FFMPEG_GRAPHPARSER_H */
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