Add log_level_offset to AVCodecContext.
[libav.git] / libavfilter / graphparser.h
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 */
31 typedef 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 */
48 int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
49 AVFilterInOut *inputs, AVFilterInOut *outputs,
50 AVClass *log_ctx);
51
52 #endif /* AVFILTER_GRAPHPARSER_H */