Globally rename the header inclusion guard names.
[libav.git] / libavfilter / avfiltergraph.h
1 /*
2 * Filter graphs
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_AVFILTERGRAPH_H
23 #define AVFILTER_AVFILTERGRAPH_H
24
25 #include "avfilter.h"
26
27 typedef struct AVFilterGraph {
28 unsigned filter_count;
29 AVFilterContext **filters;
30 } AVFilterGraph;
31
32 /**
33 * Get a pointer to a graph by instance name
34 */
35 AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
36
37 /**
38 * Add an existing filter instance to a filter graph.
39 * @param graph The filter graph
40 * @param filter The filter to be added
41 */
42 int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
43
44 /**
45 * Configure the formats of all the links in the graph.
46 */
47 int avfilter_graph_config_formats(AVFilterGraph *graphctx);
48
49 /**
50 * Free a graph and destroy its links.
51 */
52 void avfilter_destroy_graph(AVFilterGraph *graph);
53
54 #endif /* AVFILTER_AVFILTERGRAPH_H */