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987903826b
Consistently apply this rule: the guard name is obtained from the filename by stripping the leading "lib", converting '/' and '.' to '_' and uppercasing the resulting name. Guard names in the root directory have to be prefixed by "FFMPEG_". Originally committed as revision 15120 to svn://svn.ffmpeg.org/ffmpeg/trunk
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
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* Filter graphs
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* copyright (c) 2007 Bobby Bingham
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*
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* This file is part of FFmpeg.
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*
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* FFmpeg is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* FFmpeg is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with FFmpeg; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVFILTER_AVFILTERGRAPH_H
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#define AVFILTER_AVFILTERGRAPH_H
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#include "avfilter.h"
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typedef struct AVFilterGraph {
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unsigned filter_count;
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AVFilterContext **filters;
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} AVFilterGraph;
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/**
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* Get a pointer to a graph by instance name
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*/
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AVFilterContext *avfilter_graph_get_filter(AVFilterGraph *graph, char *name);
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/**
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* Add an existing filter instance to a filter graph.
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* @param graph The filter graph
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* @param filter The filter to be added
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*/
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int avfilter_graph_add_filter(AVFilterGraph *graphctx, AVFilterContext *filter);
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/**
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* Configure the formats of all the links in the graph.
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*/
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int avfilter_graph_config_formats(AVFilterGraph *graphctx);
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/**
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* Free a graph and destroy its links.
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*/
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void avfilter_destroy_graph(AVFilterGraph *graph);
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#endif /* AVFILTER_AVFILTERGRAPH_H */
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