From 111367263af41c88a44bd763ceefc11d53a7f655 Mon Sep 17 00:00:00 2001
From: Anton Khirnov <anton@khirnov.net>
Date: Sun, 31 Mar 2013 12:17:07 +0200
Subject: [PATCH] lavfi: add AVFilterContext.graph.
It will be useful in the following commits.
---
doc/APIchanges | 2 ++
libavfilter/avfilter.h | 2 ++
libavfilter/avfiltergraph.c | 4 ++++
3 files changed, 8 insertions(+)
diff --git a/doc/APIchanges b/doc/APIchanges
index dd6532d2fe5..9748565a08f 100644
--- a/doc/APIchanges
+++ b/doc/APIchanges
@@ -18,6 +18,8 @@ API changes, most recent first:
avfilterhraph.h, user applications should include just avfilter.h
Add avfilter_graph_alloc_filter(), deprecate avfilter_open() and
avfilter_graph_add_filter().
+ Add AVFilterContext.graph pointing to the AVFilterGraph that contains the
+ filter.
2013-xx-xx - lavfi 3.7.0 - avfilter.h
Add AVFilter.priv_class for exporting filter options through the AVOptions API
diff --git a/libavfilter/avfilter.h b/libavfilter/avfilter.h
index 94d5d6152bd..b37b74f2ce2 100644
--- a/libavfilter/avfilter.h
+++ b/libavfilter/avfilter.h
@@ -458,6 +458,8 @@ struct AVFilterContext {
unsigned nb_outputs; ///< number of output pads
void *priv; ///< private data for use by the filter
+
+ struct AVFilterGraph *graph; ///< filtergraph this filter belongs to
};
/**
diff --git a/libavfilter/avfiltergraph.c b/libavfilter/avfiltergraph.c
index 828b4625503..969d9585419 100644
--- a/libavfilter/avfiltergraph.c
+++ b/libavfilter/avfiltergraph.c
@@ -73,6 +73,8 @@ int avfilter_graph_add_filter(AVFilterGraph *graph, AVFilterContext *filter)
graph->filter_count = graph->nb_filters;
#endif
+ filter->graph = graph;
+
return 0;
}
#endif
@@ -121,6 +123,8 @@ AVFilterContext *avfilter_graph_alloc_filter(AVFilterGraph *graph,
graph->filter_count = graph->nb_filters;
#endif
+ s->graph = graph;
+
return s;
}
--
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