avfilter: add documentation for needs_writable
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@ -358,6 +358,12 @@ struct AVFilterPad {
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*/
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*/
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int needs_fifo;
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int needs_fifo;
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/**
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* The filter expects writable frames from its input link,
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* duplicating data buffers if needed.
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*
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* input pads only.
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*/
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int needs_writable;
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int needs_writable;
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};
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};
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#endif
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#endif
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