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Diffstat (limited to 'v4l2-apps/libv4l/libv4lconvert/processing/bayerprocessing.c')
-rw-r--r--v4l2-apps/libv4l/libv4lconvert/processing/bayerprocessing.c244
1 files changed, 0 insertions, 244 deletions
diff --git a/v4l2-apps/libv4l/libv4lconvert/processing/bayerprocessing.c b/v4l2-apps/libv4l/libv4lconvert/processing/bayerprocessing.c
deleted file mode 100644
index f4cc9922b..000000000
--- a/v4l2-apps/libv4l/libv4lconvert/processing/bayerprocessing.c
+++ /dev/null
@@ -1,244 +0,0 @@
-/*
-# (C) 2008-2009 Elmar Kleijn <elmar_kleijn@hotmail.com>
-# (C) 2008-2009 Sjoerd Piepenbrink <need4weed@gmail.com>
-# (C) 2008-2009 Hans de Goede <hdegoede@redhat.com>
-
-# This program 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.
-#
-# This program 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 this program; if not, write to the Free Software
-# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include "libv4lprocessing-priv.h"
-#include "../libv4lconvert-priv.h" /* for PIX_FMT defines */
-
-void bayer_normalize_analyse(unsigned char *buf, int width, int height,
- struct v4lprocessing_data *data)
-{
- int value, max = 0, min = 255;
- unsigned char *buf_end = buf + width * height;
-
- while (buf < buf_end) {
- value = *buf++;
- if (max < value)
- max = value;
- if (min > value)
- min = value;
- }
-
- data->comp1 = ((data->norm_high_bound - data->norm_low_bound) << 16) / (max - min);
- data->offset1 = min;
- data->offset2 = data->norm_low_bound;
-}
-
-void bayer_whitebalance_analyse(unsigned char *src_buffer, int width,
- int height, unsigned int pix_fmt, struct v4lprocessing_data *data)
-{
- int i, j, x1 = 0, x2 = 0, y1 = 0, y2 = 0;
- float green_avg, x_avg, y_avg, avg_avg;
- unsigned char *buf = src_buffer;
-
- int start_with_green = pix_fmt == V4L2_PIX_FMT_SGBRG8 ||
- pix_fmt == V4L2_PIX_FMT_SGRBG8;
-
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- x1 += *buf++;
- x2 += *buf++;
- }
- for (j = 0; j < width; j += 2) {
- y1 += *buf++;
- y2 += *buf++;
- }
- }
-
- if (start_with_green) {
- green_avg = (x1 + y2) / 2;
- x_avg = x2;
- y_avg = y1;
- } else {
- green_avg = (x2 + y1) / 2;
- x_avg = x1;
- y_avg = y2;
- }
-
- avg_avg = (green_avg + x_avg + y_avg) / 3;
-
- data->comp1 = (avg_avg / green_avg) * 65536;
- data->comp2 = (avg_avg / x_avg) * 65536;
- data->comp3 = (avg_avg / y_avg) * 65536;
-}
-
-void bayer_normalize_whitebalance_analyse(unsigned char *buf, int width,
- int height, unsigned int pix_fmt, struct v4lprocessing_data *data)
-{
- int i, j, value, max = 0, min = 255, n_fac, x1 = 0, x2 = 0, y1 = 0, y2 = 0;
- float green_avg, x_avg, y_avg, avg_avg;
-
- int start_with_green = pix_fmt == V4L2_PIX_FMT_SGBRG8 ||
- pix_fmt == V4L2_PIX_FMT_SGRBG8;
-
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- x1 += *buf;
- value = *buf++;
- if (max < value)
- max = value;
- if (min > value)
- min = value;
- x2 += *buf;
- value = *buf++;
- if (max < value)
- max = value;
- if (min > value)
- min = value;
- }
- for (j = 0; j < width; j += 2) {
- y1 += *buf;
- value = *buf++;
- if (max < value)
- max = value;
- if (min > value)
- min = value;
- y2 += *buf;
- value = *buf++;
- if (max < value)
- max = value;
- if (min > value)
- min = value;
- }
- }
-
- if (start_with_green) {
- green_avg = (x1 + y2) / 2;
- x_avg = x2;
- y_avg = y1;
- } else {
- green_avg = (x2 + y1) / 2;
- x_avg = x1;
- y_avg = y2;
- }
-
- n_fac = ((data->norm_high_bound - data->norm_low_bound) << 16) / (max - min);
-
- avg_avg = (green_avg + x_avg + y_avg) / 3;
-
- data->comp1 = (avg_avg / green_avg) * n_fac;
- data->comp2 = (avg_avg / x_avg) * n_fac;
- data->comp3 = (avg_avg / y_avg) * n_fac;
-
- data->offset1 = min;
- data->offset2 = data->norm_low_bound;
-}
-
-#define CLIP(color) (unsigned char)(((color)>0xff)?0xff:(((color)<0)?0:(color)))
-#define TOP(color) (unsigned char)(((color)>0xff)?0xff:(color))
-
-void bayer_normalize(unsigned char *buf, int width,
- int height, struct v4lprocessing_data *data)
-{
- int value;
- unsigned char *buf_end = buf + width * height;
-
- while (buf < buf_end) {
- value = ((data->comp1 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- }
-}
-
-void bayer_whitebalance(unsigned char *src_buffer, int width,
- int height, unsigned int pix_fmt,
- struct v4lprocessing_data *data)
-{
- int i, j, value;
- int limit = width * height;
- unsigned char *buf = src_buffer;
-
- int start_with_green = pix_fmt == V4L2_PIX_FMT_SGBRG8 ||
- pix_fmt == V4L2_PIX_FMT_SGRBG8;
-
- if (start_with_green) {
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- value = (*buf * data->comp1) >> 16;
- *buf++ = TOP(value);
- value = (*buf * data->comp2) >> 16;
- *buf++ = TOP(value);
- }
- for (j = 0; j < width; j += 2) {
- value = (*buf * data->comp3) >> 16;
- *buf++ = TOP(value);
- value = (*buf * data->comp1) >> 16;
- *buf++ = TOP(value);
- }
- }
- } else {
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- value = (*buf * data->comp2) >> 16;
- *buf++ = TOP(value);
- value = (*buf * data->comp1) >> 16;
- *buf++ = TOP(value);
- }
- for (j = 0; j < width; j += 2) {
- value = (*buf * data->comp1) >> 16;
- *buf++ = TOP(value);
- value = (*buf * data->comp3) >> 16;
- *buf++ = TOP(value);
- }
- }
- }
-}
-
-void bayer_normalize_whitebalance(unsigned char *src_buffer, int width,
- int height, unsigned int pix_fmt,
- struct v4lprocessing_data *data)
-{
- int i, j, value;
- int limit = width * height;
- unsigned char *buf = src_buffer;
-
- int start_with_green = pix_fmt == V4L2_PIX_FMT_SGBRG8 ||
- pix_fmt == V4L2_PIX_FMT_SGRBG8;
-
- if (start_with_green) {
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- value = ((data->comp1 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- value = ((data->comp2 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- }
- for (j = 0; j < width; j += 2) {
- value = ((data->comp3 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- value = ((data->comp1 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- }
- }
- } else {
- for (i = 0; i < height; i += 2) {
- for (j = 0; j < width; j += 2) {
- value = ((data->comp2 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- value = ((data->comp1 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- }
- for (j = 0; j < width; j += 2) {
- value = ((data->comp1 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- value = ((data->comp3 * (*buf - data->offset1)) >> 16) + data->offset2;
- *buf++ = CLIP(value);
- }
- }
- }
-}
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