gstreamer/gst/videoscale/vs_fill_borders.c

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/*
* Image Scaling Functions
* Copyright (c) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <gst/gst.h>
#include <string.h>
#include "vs_fill_borders.h"
#include "gstvideoscaleorc.h"
#if G_BYTE_ORDER == G_LITTLE_ENDIAN
#define READ_UINT32(ptr) GST_READ_UINT32_LE(ptr)
#define READ_UINT16(ptr) GST_READ_UINT16_LE(ptr)
#else
#define READ_UINT32(ptr) GST_READ_UINT32_BE(ptr)
#define READ_UINT16(ptr) GST_READ_UINT16_BE(ptr)
#endif
void
vs_fill_borders_RGBA (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
uint32_t v = READ_UINT32 (val);
data = dest->real_pixels;
for (i = 0; i < top; i++) {
orc_splat_u32 ((uint32_t *) data, v, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 4;
for (i = 0; i < tmp; i++) {
orc_splat_u32 ((uint32_t *) data, v, left);
orc_splat_u32 ((uint32_t *) (data + tmp2), v, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
orc_splat_u32 ((uint32_t *) data, v, real_width);
data += stride;
}
}
static void
_memset_u24 (uint8_t * data, uint8_t val1, uint8_t val2, uint8_t val3,
unsigned int n)
{
unsigned int i;
for (i = 0; i < n; i++) {
data[0] = val1;
data[1] = val2;
data[2] = val3;
data += 3;
}
}
void
vs_fill_borders_RGB (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
data = dest->real_pixels;
for (i = 0; i < top; i++) {
_memset_u24 (data, val[0], val[1], val[2], real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 3;
for (i = 0; i < tmp; i++) {
_memset_u24 (data, val[0], val[1], val[2], left);
_memset_u24 (data + tmp2, val[0], val[1], val[2], right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
_memset_u24 (data, val[0], val[1], val[2], real_width);
data += stride;
}
}
void
vs_fill_borders_YUYV (const VSImage * dest, const uint8_t * val)
{
int i, j;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
data = dest->real_pixels;
for (i = 0; i < top; i++) {
for (j = 0; j < real_width; j++) {
data[2 * j] = val[0];
data[2 * j + 1] = (j % 2 == 0) ? val[1] : val[3];
}
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
for (j = 0; j < left; j++) {
data[2 * j] = val[0];
data[2 * j + 1] = (j % 2 == 0) ? val[1] : val[3];
}
for (j = 0; j < right; j++) {
data[tmp2 + 2 * j] = val[0];
data[tmp2 + 2 * j + 1] = (j % 2 == 0) ? val[1] : val[3];
}
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
for (j = 0; j < real_width; j++) {
data[2 * j] = val[0];
data[2 * j + 1] = (j % 2 == 0) ? val[1] : val[3];
}
data += stride;
}
}
void
vs_fill_borders_UYVY (const VSImage * dest, const uint8_t * val)
{
int i, j;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
data = dest->real_pixels;
for (i = 0; i < top; i++) {
for (j = 0; j < real_width; j++) {
data[2 * j] = (j % 2 == 0) ? val[0] : val[2];
data[2 * j + 1] = val[1];
}
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
for (j = 0; j < left; j++) {
data[2 * j] = (j % 2 == 0) ? val[0] : val[2];
data[2 * j + 1] = val[1];
}
for (j = 0; j < right; j++) {
data[tmp2 + 2 * j] = (j % 2 == 0) ? val[0] : val[2];
data[tmp2 + 2 * j + 1] = val[1];
}
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
for (j = 0; j < real_width; j++) {
data[2 * j] = (j % 2 == 0) ? val[0] : val[2];
data[2 * j + 1] = val[1];
}
data += stride;
}
}
void
vs_fill_borders_Y (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
data = dest->real_pixels;
for (i = 0; i < top; i++) {
memset (data, *val, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = left + width;
for (i = 0; i < tmp; i++) {
memset (data, *val, left);
memset (data + tmp2, *val, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
memset (data, *val, real_width);
data += stride;
}
}
void
vs_fill_borders_Y16 (const VSImage * dest, const uint16_t val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
data = dest->real_pixels;
for (i = 0; i < top; i++) {
orc_splat_u16 ((uint16_t *) data, val, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
orc_splat_u16 ((uint16_t *) data, val, left);
orc_splat_u16 ((uint16_t *) (data + tmp2), val, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
orc_splat_u16 ((uint16_t *) data, val, real_width);
data += stride;
}
}
void
vs_fill_borders_RGB565 (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
uint16_t v = READ_UINT16 (val);
data = dest->real_pixels;
for (i = 0; i < top; i++) {
orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
orc_splat_u16 ((uint16_t *) data, v, left);
orc_splat_u16 ((uint16_t *) (data + tmp2), v, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
}
void
vs_fill_borders_RGB555 (const VSImage * dest, const uint8_t * val)
{
int i;
int top = dest->border_top, bottom = dest->border_bottom;
int left = dest->border_left, right = dest->border_right;
int width = dest->width;
int height = dest->height;
int real_width = dest->real_width;
int stride = dest->stride;
int tmp, tmp2;
uint8_t *data;
uint16_t v = READ_UINT16 (val);
data = dest->real_pixels;
for (i = 0; i < top; i++) {
orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
if (left || right) {
tmp = height;
tmp2 = (left + width) * 2;
for (i = 0; i < tmp; i++) {
orc_splat_u16 ((uint16_t *) data, v, left);
orc_splat_u16 ((uint16_t *) (data + tmp2), v, right);
data += stride;
}
} else {
data += stride * height;
}
for (i = 0; i < bottom; i++) {
orc_splat_u16 ((uint16_t *) data, v, real_width);
data += stride;
}
}