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

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The caller needs to know what valid indices can be passed to
avfilter_pad_get_name/type.
This commit is contained in:
Anton Khirnov 2013-03-28 08:59:13 +01:00
parent 7cdd737ba8
commit 7e8fe4be5f
3 changed files with 10 additions and 3 deletions
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doc/APIchanges
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@ -23,6 +23,7 @@ API changes, most recent first:
Add avfilter_init_str(), deprecate avfilter_init_filter().
Add avfilter_init_dict().
Add AVFilter.flags field and AVFILTER_FLAG_DYNAMIC_{INPUTS,OUTPUTS} flags.
Add avfilter_pad_count() for counting filter inputs/outputs.
2013-xx-xx - lavfi 3.7.0 - avfilter.h
Add AVFilter.priv_class for exporting filter options through the AVOptions API