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lavfi: add AVFilterContext.graph.

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It will be useful in the following commits.
This commit is contained in:
Anton Khirnov 2013-03-31 12:17:07 +02:00
parent c2c9801bc9
commit 111367263a
3 changed files with 8 additions and 0 deletions
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2
doc/APIchanges
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@ -18,6 +18,8 @@ API changes, most recent first:
avfilterhraph.h, user applications should include just avfilter.h avfilterhraph.h, user applications should include just avfilter.h
Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
avfilter_graph_add_filter(). avfilter_graph_add_filter().
Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
filter.
2013-xx-xx - lavfi 3.7.0 - avfilter.h 2013-xx-xx - lavfi 3.7.0 - avfilter.h
Add AVFilter.priv_class for exporting filter options through the AVOptions API Add AVFilter.priv_class for exporting filter options through the AVOptions API

2
libavfilter/avfilter.h
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@ -458,6 +458,8 @@ struct AVFilterContext {
unsigned nb_outputs; ///< number of output pads unsigned nb_outputs; ///< number of output pads
void *priv; ///< private data for use by the filter void *priv; ///< private data for use by the filter
struct AVFilterGraph *graph; ///< filtergraph this filter belongs to
}; };
/** /**

4
libavfilter/avfiltergraph.c
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@ -73,6 +73,8 @@ int avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
graph->filter_count = graph->nb_filters; graph->filter_count = graph->nb_filters;
#endif #endif
filter->graph = graph;
return 0; return 0;
} }
#endif #endif
@ -121,6 +123,8 @@ AVFilterContext *avfilter_graph_alloc_filter(AVFilterGraph *graph,
graph->filter_count = graph->nb_filters; graph->filter_count = graph->nb_filters;
#endif #endif
s->graph = graph;
return s; return s;
} }