FFmpeg  1.2.4
avfiltergraph.h
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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 #include "libavutil/log.h"
27 
28 typedef struct AVFilterGraph {
29  const AVClass *av_class;
30  unsigned filter_count;
32 
36 
46 
49 
54 
62 
70 
85  const char *name, const char *args, void *opaque,
86  AVFilterGraph *graph_ctx);
87 
97 
98 enum {
101 };
102 
110 int avfilter_graph_config(AVFilterGraph *graphctx, void *log_ctx);
111 
116 void avfilter_graph_free(AVFilterGraph **graph);
117 
127 typedef struct AVFilterInOut {
129  char *name;
130 
133 
135  int pad_idx;
136 
139 } AVFilterInOut;
140 
147 
152 void avfilter_inout_free(AVFilterInOut **inout);
153 
167 int avfilter_graph_parse(AVFilterGraph *graph, const char *filters,
169  void *log_ctx);
170 
201 int avfilter_graph_parse2(AVFilterGraph *graph, const char *filters,
204 
205 
221 int avfilter_graph_send_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, char *res, int res_len, int flags);
222 
238 int avfilter_graph_queue_command(AVFilterGraph *graph, const char *target, const char *cmd, const char *arg, int flags, double ts);
239 
240 
249 char *avfilter_graph_dump(AVFilterGraph *graph, const char *options);
250 
270 
271 #endif /* AVFILTER_AVFILTERGRAPH_H */