summaryrefslogtreecommitdiffstats
path: root/libavfilter/internal.h
blob: 64b3f3b8656a44a6c2464b474d74965ca60faece (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
/*
 * This file is part of Libav.
 *
 * Libav 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.
 *
 * Libav 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 Libav; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#ifndef AVFILTER_INTERNAL_H
#define AVFILTER_INTERNAL_H

/**
 * @file
 * internal API functions
 */

#include "avfilter.h"
#include "avfiltergraph.h"

/**
 * Check for the validity of graph.
 *
 * A graph is considered valid if all its input and output pads are
 * connected.
 *
 * @return 0 in case of success, a negative value otherwise
 */
int ff_avfilter_graph_check_validity(AVFilterGraph *graphctx, AVClass *log_ctx);

/**
 * Configure all the links of graphctx.
 *
 * @return 0 in case of success, a negative value otherwise
 */
int ff_avfilter_graph_config_links(AVFilterGraph *graphctx, AVClass *log_ctx);

/**
 * Configure the formats of all the links in the graph.
 */
int ff_avfilter_graph_config_formats(AVFilterGraph *graphctx, AVClass *log_ctx);

/** default handler for freeing audio/video buffer when there are no references left */
void ff_avfilter_default_free_buffer(AVFilterBuffer *buf);

#endif /* AVFILTER_INTERNAL_H */
OpenPOWER on IntegriCloud