libavfilter/bbox.c File Reference

#include "bbox.h"

Go to the source code of this file.

Functions
int	ff_calculate_bounding_box (FFBoundingBox *bbox, const uint8_t *data, int linesize, int w, int h, int min_val)
	Calculate the smallest rectangle that will encompass the region with values > min_val.

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Function Documentation

int ff_calculate_bounding_box	(	FFBoundingBox *	bbox,
		const uint8_t *	data,
		int	linesize,
		int	w,
		int	h,
		int	min_val
	)

Calculate the smallest rectangle that will encompass the region with values > min_val.

Parameters:

bbox

bounding box structure which is updated with the found values. If no pixels could be found with value > min_val, the structure is not modified.

Returns:

1 in case at least one pixel with value > min_val was found, 0 otherwise

Definition at line 23 of file bbox.c.

Referenced by end_frame(), and init().