1/* 2 * Filter graph parser 3 * copyright (c) 2007 Bobby Bingham 4 * 5 * This file is part of FFmpeg. 6 * 7 * FFmpeg is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2.1 of the License, or (at your option) any later version. 11 * 12 * FFmpeg is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with FFmpeg; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 20 */ 21 22#ifndef AVFILTER_GRAPHPARSER_H 23#define AVFILTER_GRAPHPARSER_H 24 25#include "avfilter.h" 26#include "avfiltergraph.h" 27 28/** 29 * A linked-list of the inputs/outputs of the filter chain. 30 */ 31typedef struct AVFilterInOut { 32 char *name; 33 AVFilterContext *filter; 34 int pad_idx; 35 36 struct AVFilterInOut *next; 37} AVFilterInOut; 38 39/** 40 * Adds a graph described by a string to a graph. 41 * 42 * @param graph the filter graph where to link the parsed graph context 43 * @param filters string to be parsed 44 * @param inputs linked list to the inputs of the graph 45 * @param outputs linked list to the outputs of the graph 46 * @return zero on success, -1 on error 47 */ 48int avfilter_graph_parse(AVFilterGraph *graph, const char *filters, 49 AVFilterInOut *inputs, AVFilterInOut *outputs, 50 AVClass *log_ctx); 51 52#endif /* AVFILTER_GRAPHPARSER_H */ 53