mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-11 10:56:38 +00:00
174 lines
8.3 KiB
C
174 lines
8.3 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_IMAGE_H__
|
|
#define __VS_IMAGE_H__
|
|
|
|
#include <glib.h>
|
|
#include <_stdint.h>
|
|
|
|
typedef struct _VSImage VSImage;
|
|
|
|
struct _VSImage {
|
|
uint8_t *real_pixels;
|
|
int real_width;
|
|
int real_height;
|
|
int border_left, border_right;
|
|
int border_top, border_bottom;
|
|
uint8_t *pixels;
|
|
int width;
|
|
int height;
|
|
int stride;
|
|
};
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_RGBA (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_RGBA (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_lanczos_AYUV (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf,
|
|
double sharpness,
|
|
gboolean dither,
|
|
int submethod,
|
|
double a,
|
|
double sharpen);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_lanczos_AYUV64 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf,
|
|
double sharpness,
|
|
gboolean dither,
|
|
int submethod,
|
|
double a,
|
|
double sharpen);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_RGB (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_RGB (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_YUYV (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_YUYV (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_UYVY (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_UYVY (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_NV12 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_NV12 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_Y (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_Y (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_lanczos_Y (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf,
|
|
double sharpness,
|
|
gboolean dither,
|
|
int submethod,
|
|
double a,
|
|
double sharpen);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_RGB565 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_RGB565 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_RGB555 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_RGB555 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_Y16 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_Y16 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_AYUV16 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_AYUV16 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf);
|
|
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_nearest_AYUV64 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf8);
|
|
|
|
G_GNUC_INTERNAL void vs_image_scale_linear_AYUV64 (const VSImage * dest,
|
|
const VSImage * src,
|
|
uint8_t * tmpbuf8);
|
|
|
|
#endif
|
|
|