libavfilter/bbox.h File Reference

#include <stdint.h>

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Data Structures

struct  FFBoundingBox

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.


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().


Generated on Fri Oct 26 02:48:00 2012 for FFmpeg by  doxygen 1.5.8