Statistics
| Branch: | Revision:

ffmpeg / libavfilter / graphparser.h @ d370e3e9

History | View | Annotate | Download (1.67 KB)

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
 * Add 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 */