152 lines
5.0 KiB
C
152 lines
5.0 KiB
C
/***************************************************************************
|
|
* boards/arm/cxd56xx/spresense/include/cxd56_imageproc.h
|
|
*
|
|
* Copyright 2018 Sony Semiconductor Solutions Corporation
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* 3. Neither the name of Sony Corporation nor the names of its contributors
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
|
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
|
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
|
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
|
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
|
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
* POSSIBILITY OF SUCH DAMAGE.
|
|
*
|
|
****************************************************************************/
|
|
|
|
#ifndef __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_IMAGEPROC_H
|
|
#define __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_IMAGEPROC_H
|
|
|
|
#include <stdint.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
/* Structure of rectangle coordinates from left top point to
|
|
* right bottom point.
|
|
*/
|
|
|
|
struct imageproc_rect_s
|
|
{
|
|
uint16_t x1; /* X coordinate of left top point */
|
|
uint16_t y1; /* Y coordinate of left top point */
|
|
uint16_t x2; /* X coordinate of rignt bottom point */
|
|
uint16_t y2; /* Y coordinate of rignt bottom point */
|
|
};
|
|
typedef struct imageproc_rect_s imageproc_rect_t;
|
|
|
|
/* Initialize imageproc library
|
|
*/
|
|
|
|
void imageproc_initialize(void);
|
|
|
|
/* Finalize imageproc library
|
|
*/
|
|
|
|
void imageproc_finalize(void);
|
|
|
|
/* Convert color format (YUV to RGB)
|
|
*
|
|
* TODO: need more description here
|
|
*
|
|
* [in,out] ibuf: image
|
|
* [in] hsize: Horizontal size
|
|
* [in] vsize: Vertical size
|
|
*/
|
|
|
|
void imageproc_convert_yuv2rgb(uint8_t * ibuf, uint32_t hsize,
|
|
uint32_t vsize);
|
|
|
|
/* Convert color format (YUV to grayscale)
|
|
*
|
|
* TODO: need more description here
|
|
*
|
|
* [in] ibuf: Input image
|
|
* [out] obuf: Output buffer
|
|
* [in] hsize: Horizontal size
|
|
* [in] vsize: Vertical size
|
|
*/
|
|
|
|
void imageproc_convert_yuv2gray(uint8_t * ibuf, uint8_t * obuf,
|
|
size_t hsize, size_t vsize);
|
|
|
|
/* Resize image
|
|
*
|
|
* Resize image specified by ibuf to ohsize, ovsize. Processed
|
|
* image will be stored to obuf.
|
|
*
|
|
* For ohsize and ovsize, specify output size calculated by multiply
|
|
* in range 1/2^n to 2^n (n=0..5) against ihsize and ivsize.
|
|
*
|
|
* This function can be processing for YUV422 color format.
|
|
* So all of specified sizes must be multiple of 2.
|
|
*
|
|
* And there is limitation about output size below.
|
|
*
|
|
* * Shrink
|
|
* + Horizontal size least 12 pixels
|
|
* + Vertical size least 12 pixels
|
|
* * Enlarge
|
|
* + Horizontal size up to 768 pixels
|
|
* + Vertical size up to 1024 pixels
|
|
*
|
|
* [in] ibuf: Input image
|
|
* [in] ihsize: Input horizontal size
|
|
* [in] ivsize: Input vertical size
|
|
* [out] obuf: Output buffer
|
|
* [in] ohsize: Output horizontal size
|
|
* [in] ovsize: Output vertical size
|
|
* [in] bpp: Bits per pixel (16 or 8)
|
|
*
|
|
* return 0 on success, otherwise error code.
|
|
*/
|
|
|
|
int imageproc_resize(uint8_t * ibuf, uint16_t ihsize, uint16_t ivsize,
|
|
uint8_t * obuf, uint16_t ohsize, uint16_t ovsize,
|
|
int bpp);
|
|
|
|
/* Clip and Resize image
|
|
*
|
|
* [in] ibuf: Input image
|
|
* [in] ihsize: Input horizontal size
|
|
* [in] ivsize: Input vertical size
|
|
* [out] obuf: Output buffer
|
|
* [in] ohsize: Output horizontal size
|
|
* [in] ovsize: Output vertical size
|
|
* [in] bpp: Bits per pixel (16 or 8)
|
|
* [in] clip_rect: Clipping rectangle on input image.
|
|
*
|
|
* return 0 on success, otherwise error code.
|
|
*/
|
|
|
|
int imageproc_clip_and_resize(uint8_t * ibuf, uint16_t ihsize,
|
|
uint16_t ivsize, uint8_t * obuf,
|
|
uint16_t ohsize, uint16_t ovsize, int bpp,
|
|
imageproc_rect_t * clip_rect);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __BOARDS_ARM_CXD56XX_SPRESENSE_INCLUDE_CXD56_IMAGEPROC_H */
|