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Split filter graphs out into their own source & header files.

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Commited in SoC by Bobby Bingham on 2007-07-14 21:20:21

Originally committed as revision 12686 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Vitor Sessak 2008-04-04 20:02:10 +00:00
parent b64518e91b
commit eccb6fb7ce
2 changed files with 98 additions and 0 deletions
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51
libavfilter/avfiltergraph.c Normal file
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/*
* Filter graphs
* copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "avfilter.h"
#include "avfiltergraph.h"
struct AVFilterGraph {
unsigned filter_count;
AVFilterContext **filters;
};
AVFilterGraph *avfilter_create_graph(void)
{
return av_mallocz(sizeof(AVFilterGraph));
}
void avfilter_destroy_graph(AVFilterGraph *graph)
{
unsigned i;
for(i = 0; i < graph->filter_count; i ++)
avfilter_destroy(graph->filters[i]);
av_free(graph->filters);
av_free(graph);
}
void avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
{
graph->filters = av_realloc(graph->filters,
sizeof(AVFilterContext*) * ++graph->filter_count);
graph->filters[graph->filter_count - 1] = filter;
}

47
libavfilter/avfiltergraph.h Normal file
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/*
* Filter graphs
* copyright (c) 2007 Bobby Bingham
*
* This file is part of FFmpeg.
*
* FFmpeg 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.
*
* FFmpeg 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 FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef FFMPEG_AVFILTER_GRAPH_H
#define FFMPEG_AVFILTER_GRAPH_H
#include "avfilter.h"
typedef struct AVFilterGraph AVFilterGraph;
/**
* Create a new filter graph
*/
AVFilterGraph *avfilter_create_graph(void);
/**
* Destroy a filter graph, and any filters in it.
* @param graph The filter graph to destroy
*/
void avfilter_destroy_graph(AVFilterGraph *graph);
/**
* Add an existing filter instance to a filter graph.
* @param graph The filter graph
* @param filter The filter to be added
*/
void avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter);
#endif /* FFMPEG_AVFILTER_H */