/* * 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 AVFILTER_GRAPHPARSER_H#define AVFILTER_GRAPHPARSER_H #include "avfilter.h"#include "avfiltergraph.h" /** * A linked-list of the inputs/outputs of the filter chain. */typedef struct AVFilterInOut {    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 inputs  linked list to the inputs of the graph * @param outputs linked list to the outputs of the graph * @return        zero on success, -1 on error */int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,                         AVFilterInOut *inputs, AVFilterInOut *outputs,                         AVClass *log_ctx); #endif  /* AVFILTER_GRAPHPARSER_H */