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ffmpeg / libavfilter / graphparser.h @ 5f6cb6eb

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1 f0703f5d Vitor Sessak
/*
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 * Filter graph parser
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 * copyright (c) 2007 Bobby Bingham
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 *
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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_GRAPHPARSER_H
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#define AVFILTER_GRAPHPARSER_H
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#include "avfilter.h"
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#include "avfiltergraph.h"
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/**
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 * A linked-list of the inputs/outputs of the filter chain.
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 */
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typedef struct AVFilterInOut {
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    char *name;
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    AVFilterContext *filter;
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    int pad_idx;
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    struct AVFilterInOut *next;
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} AVFilterInOut;
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/**
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 * Adds a graph described by a string to a graph.
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 *
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 * @param graph   the filter graph where to link the parsed graph context
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 * @param filters string to be parsed
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 * @param inputs  linked list to the inputs of the graph
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 * @param outputs linked list to the outputs of the graph
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 * @return        zero on success, -1 on error
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 */
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int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
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                         AVFilterInOut *inputs, AVFilterInOut *outputs,
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                         AVClass *log_ctx);
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#endif  /* AVFILTER_GRAPHPARSER_H */