gstreamer/gst/videoscale/vs_scanline.h
2011-02-20 12:04:02 -08:00

79 lines
4.9 KiB
C

/*
* Image Scaling Functions
* Copyright (c) 2005 David A. Schleef <ds@schleef.org>
* All rights reserved.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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 __VS_SCANLINE_H__
#define __VS_SCANLINE_H__
#include <_stdint.h>
void vs_scanline_downsample_Y (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_Y (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
void vs_scanline_resample_linear_Y (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
void vs_scanline_merge_linear_Y (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_RGBA (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_RGBA (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_RGBA (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_RGBA (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_RGB (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_RGB (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_RGB (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_RGB (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_YUYV (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_YUYV (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_YUYV (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_YUYV (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_UYVY (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_UYVY (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_UYVY (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_UYVY (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_RGB565 (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_RGB565 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_RGB565 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_RGB565 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_RGB555 (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_RGB555 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_RGB555 (uint8_t *dest, uint8_t *src, int src_width, int n, int *accumulator, int increment);
void vs_scanline_merge_linear_RGB555 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_downsample_Y16 (uint8_t *dest, uint8_t *src, int n);
void vs_scanline_resample_nearest_Y16 (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
void vs_scanline_resample_linear_Y16 (uint8_t *dest, uint8_t *src, int n, int src_width, int *accumulator, int increment);
void vs_scanline_merge_linear_Y16 (uint8_t *dest, uint8_t *src1, uint8_t *src2, int n, int x);
void vs_scanline_resample_nearest_AYUV64 (uint8_t * dest, uint8_t * src,
int src_width, int n, int *accumulator, int increment);
void vs_scanline_resample_linear_AYUV64 (uint8_t * dest, uint8_t * src,
int src_width, int n, int *accumulator, int increment);
#endif