mirror of
https://github.com/librempeg/librempeg
synced 2024-11-23 11:39:47 +00:00
45 lines
1.5 KiB
C
45 lines
1.5 KiB
C
/*
|
|
* Copyright (c) 2005 Robert Edele <yartrebo@earthlink.net>
|
|
*
|
|
* This file is part of FFmpeg.
|
|
*
|
|
* FFmpeg is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with FFmpeg; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
*/
|
|
|
|
#ifndef AVFILTER_BBOX_H
|
|
#define AVFILTER_BBOX_H
|
|
|
|
#include <stdint.h>
|
|
|
|
typedef struct FFBoundingBox {
|
|
int x1, x2, y1, y2;
|
|
} FFBoundingBox;
|
|
|
|
/**
|
|
* Calculate the smallest rectangle that will encompass the
|
|
* region with values > min_val.
|
|
*
|
|
* @param 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.
|
|
* @return 1 in case at least one pixel with value > min_val was found,
|
|
* 0 otherwise
|
|
*/
|
|
int ff_calculate_bounding_box(FFBoundingBox *bbox,
|
|
const uint8_t *data, int linesize,
|
|
int w, int h, int min_val, int depth);
|
|
|
|
#endif /* AVFILTER_BBOX_H */
|