lavfi: add a function for counting elements in AVFilterPad arrays.

The caller needs to know what valid indices can be passed to avfilter_pad_get_name/type.

Anton Khirnov committed 13 years ago

Commit 7e8fe4b1 parent 7cdd7373 files · +10 −3Browse files

Showing the changes to libavfilter/avfilter.h (1 of 3 files). Show all

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@@ -350,6 +350,12 @@ struct AVFilterPad { · 349 unmodified lines
350	350	};
351	351	#endif
352	352
	353	+/**
	354	+ * Get the number of elements in a NULL-terminated array of AVFilterPads (e.g.
	355	+ * AVFilter.inputs/outputs).
	356	+ */
	357	+int avfilter_pad_count(const AVFilterPad *pads);
	358	+
353	359	/**
354	360	* Get the name of an AVFilterPad.
355	361	*

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