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troubleshooting

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Steffen Pohle 3 months ago
parent f7c2146d32
commit 004a4ebce2
3 changed files with 131 additions and 192 deletions
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29
convert.cc
Unescape View File

@ -232,34 +232,27 @@ int Convert (ConvertData *cdata, VideoFrame *dest, unsigned char *ptrsrc, int sr
break;
case (V4L2_PIX_FMT_SGRBG16):
if (debayer_mode == 0)
debayer_grbg16_simple ((uint16_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
else
debayer_grbg16_bilinear ((uint16_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
debayer_grbg16 ((uint16_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_SRGGB10P):
if (debayer_mode == 0)
debayer_rggb10packet_simple ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
else
debayer_rggb10packet_bilinear ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
debayer_rggb10packet ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_SGBRG10):
case (V4L2_PIX_FMT_SRGGB10):
if (debayer_mode == 0)
debayer_rggb10_simple ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
else
debayer_rggb10_bilinear ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
debayer_gbrg10 ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_SRGGB10):
debayer_rggb10 ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_SRGGB8):
debayer_rggb8 ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_SGRBG8):
if (debayer_mode == 0)
debayer_grbg8_simple ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
else
debayer_grbg8_bilinear ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
debayer_grbg8 ((uint8_t *)ptrsrc, srcw, srch, ptrdst, srcw, srch);
break;
case (V4L2_PIX_FMT_UYVY):

270
debayer.cc
Unescape View File

@ -1,3 +1,7 @@
#include "video.h"
#include "debayer.h"
#include <stdio.h>
#include <stdint.h>
#include <stdlib.h>
@ -6,59 +10,6 @@
std::string toBits(unsigned int i, int maxbits);
/*
The function converts a 16bit GRBG 2x2 CFA coded image into an 8bit
RGB image by setting the missing RGB values to zero.
*/
void debayer_grbg16_simple (uint16_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
// GG RR
// BB GG
uint16_t t;
uint8_t r, g, b;
int ys, yd, xs, xd;
for (ys = 0, yd = 0; ys < src_h && yd < dst_h; ys++, yd++) {
for (xs = 0, xd = 0; xs < src_w; xs++) {
/* read the pixel but only the higher 8bit, assuming data is little endian */
t = (*(src++) >> 8) & 0xff;
if (xs & 1) {
if (ys & 1) {
// lower right green pixel
b = 0; g = t; r = 0;
} else {
// upper right red pixel
b = 0; g = 0; r = t;
}
} else {
if (ys & 1) {
// lower left blue pixel
b = t; g = 0; r = 0;
} else {
// upper left green pixel
b = 0; g = t; r = 0;
}
}
/* only paint the image if the source is within the destination */
if (xd < dst_w) {
/* set the pixel */
*(dst++) = r;
*(dst++) = g;
*(dst++) = b;
xd++;
}
}
/* if the source image is too small ignore the other places */
if (xd < dst_w)
dst += 3 * (dst_w - xd);
}
}
// macros to make code better readable
#define CE (*(src))
#define UP (*(src-src_w))
@ -79,8 +30,8 @@ void debayer_grbg16_simple (uint16_t * src, int src_w, int src_h,
The function converts a 16bit GRBG 2x2 CFA coded image into an 8bit
RGB image by bilinear interpolation.
*/
void debayer_grbg16_bilinear (uint16_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
void debayer_grbg16 (uint16_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
// GG RR GG RR
// BB GG BB GG
@ -196,65 +147,19 @@ void debayer_grbg16_bilinear (uint16_t * src, int src_w, int src_h,
STORE;
}
/*
The function converts a 8bit GRBG 2x2 CFA coded image into an 8bit
RGB image by setting the missing RGB values to zero.
*/
void debayer_grbg8_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
// GG RR
// BB GG
uint8_t t;
uint16_t r, g, b;
int ys, yd, xs, xd;
for (ys = 0, yd = 0; ys < src_h && yd < dst_h; ys++, yd++) {
for (xs = 0, xd = 0; xs < src_w; xs++) {
/* read the pixel but only the higher 8bit, assuming data is little endian */
t = *(src++);
if (xs & 1) {
if (ys & 1) {
// lower right green pixel
b = 0; g = t; r = 0;
} else {
// upper right red pixel
b = 0; g = 0; r = t;
}
} else {
if (ys & 1) {
// lower left blue pixel
b = t; g = 0; r = 0;
} else {
// upper left green pixel
b = 0; g = t; r = 0;
}
}
/* only paint the image if the source is within the destination */
if (xd < dst_w) {
/* set the pixel */
*(dst++) = r;
*(dst++) = g;
*(dst++) = b;
xd++;
}
}
/* if the source image is too small ignore the other places */
if (xd < dst_w)
dst += 3 * (dst_w - xd);
}
}
/*
The function converts a 8bit GRBG 2x2 CFA coded image into an 8bit
RGB image by bilinear interpolation.
*/
void debayer_grbg8_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
void debayer_gbrg8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h) {
debayer_grbg8 (src, src_w, src_h, dst, dst_w, dst_h);
};
void debayer_rggb8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h) {
debayer_grbg8 (src, src_w, src_h, dst, dst_w, dst_h);
};
void debayer_grbg8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h) {
// GG RR GG RR
// BB GG BB GG
@ -379,8 +284,8 @@ int MAX(int a, int m) { if (a > m) return m; else return a; };
#define PRGGB10P_UR ((uint16_t)(*(psrc+2-src_w*2*10/8)))
#define PRGGB10P_DL ((uint16_t)(*(psrc-2-src_w*2*10/8)))
#define PRGGB10P_DR ((uint16_t)(*(psrc+2+src_w*2*10/8)))
void debayer_rggb10packet_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
void debayer_rggb10packet (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
int s, d;
int xs, ys, xd, yd;
unsigned char r, g, b;
@ -463,13 +368,6 @@ std::string toBits(unsigned int i, int maxbits) {
return out;
}
void debayer_rggb10packet_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
debayer_rggb10packet_simple (src, src_w, src_h, dst, dst_w, dst_h);
};
inline int swap16(uint16_t i) {
uint16_t r;
@ -479,24 +377,89 @@ inline int swap16(uint16_t i) {
return r;
}
#define PRGGB10_U ((uint16_t)(*(psrc-src_w*2)))
#define PRGGB10_D ((uint16_t)(*(psrc+src_w*2)))
#define PRGGB10_L ((uint16_t)(*(psrc-2)))
#define PRGGB10_R ((uint16_t)(*(psrc+2)))
#define PRGGB10_UL ((uint16_t)(*(psrc-2-src_w*2)))
#define PRGGB10_UR ((uint16_t)(*(psrc+2-src_w*2)))
#define PRGGB10_DL ((uint16_t)(*(psrc-2-src_w*2)))
#define PRGGB10_DR ((uint16_t)(*(psrc+2+src_w*2)))
void debayer_rggb10_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
#define PRGGB10_U (unsigned int)(*(psrc-src_w))
#define PRGGB10_D (unsigned int)(*(psrc+src_w))
#define PRGGB10_L (unsigned int)(*(psrc-1))
#define PRGGB10_R (unsigned int)(*(psrc+1))
#define PRGGB10_UL (unsigned int)(*(psrc-1-src_w))
#define PRGGB10_UR (unsigned int)(*(psrc+1-src_w))
#define PRGGB10_DL (unsigned int)(*(psrc-1+src_w))
#define PRGGB10_DR (unsigned int)(*(psrc+1+src_w))
void debayer_gbrg10 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h) {
// GG BB GG BB
// RR GG RR GG
// GG BB GG BB
// RR GG RR GG
int xs, ys, xd, yd;
uint16_t r, g, b, data;
uint32_t r, g, b, data;
int max = dst_w * dst_h * 3;
unsigned char *pdst;
unsigned char *psrc;
uint8_t *pdst;
uint16_t *psrc;
int max_r = 0;
int max_g = 0;
int max_b = 0;
for (ys = 0, yd = 0, psrc = src, pdst = dst; ys < dst_h; ys++, yd++) {
for (ys = 0, yd = 0, psrc = (uint16_t*)src, pdst = dst; ys < dst_h; ys++, yd++) {
r = 0;
g = 0;
b = 0;
for (xs = 0, xd = 0; xd < dst_w; xs++, xd++) {
if (ys > 0 && ys < src_h-1 && xs > 0 && xs < src_w-1) {
r = 0; b = 0; g = 0;
if (ys&1) {
if (xs&1) {
b = (unsigned int)(PRGGB10_U + PRGGB10_D) >> 1;
g = *psrc;
r = (unsigned int)(PRGGB10_L + PRGGB10_R) >> 1;
}
else {
b = (unsigned int)(PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL) >> 2;
g = (unsigned int)(PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D) >> 2;
r = *psrc;
}
}
else {
if (xs&1) {
b = *psrc;
g = (unsigned int)(PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D) >> 2;
r = (unsigned int)(PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL) >> 2;
}
else {
b = (unsigned int)(PRGGB10_L + PRGGB10_R) >> 1;
g = *psrc;
r = (unsigned int)(PRGGB10_U + PRGGB10_D) >> 1;
}
}
}
pdst[0] = (r >> 2);
pdst[1] = (g >> 2);
pdst[2] = (b >> 2);
// if (yd < 100 && xd < 300) {
// pdst[0] = 0; if (xd < 100) pdst[0] = 255;
// pdst[1] = 0; if (xd > 100 && xd < 200) pdst[1] = 255;
// pdst[2] = 0; if (xd > 200 && xd < 300) pdst[2] = 255;
// }
pdst += 3;
psrc += 1;
}
}
};
void debayer_rggb10 (uint8_t *src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h) {
// RR GG RR GG
// GG BB GG BB
// RR GG RR GG
// GG BB GG BB
int xs, ys, xd, yd;
uint32_t r, g, b, data;
int max = dst_w * dst_h * 3;
uint8_t *pdst;
uint16_t *psrc;
int max_r = 0;
int max_g = 0;
int max_b = 0;
for (ys = 0, yd = 0, psrc = (uint16_t*)src, pdst = dst; ys < dst_h; ys++, yd++) {
r = 0;
g = 0;
b = 0;
@ -506,45 +469,38 @@ void debayer_rggb10_simple (uint8_t * src, int src_w, int src_h,
if (ys&1) {
if (xs&1) {
b = *psrc;
g = (PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D)/4;
r = (PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL)/4;
g = (unsigned int)(PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D) >> 2;
r = (unsigned int)(PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL) >> 2;
}
else {
b = (PRGGB10_L + PRGGB10_R)/2;
b = (unsigned int)(PRGGB10_L + PRGGB10_R) >> 1;
g = *psrc;
r = (PRGGB10_U + PRGGB10_D)/2;
r = (unsigned int)(PRGGB10_U + PRGGB10_D) >> 1;
}
}
else {
if (xs&1) {
b = (PRGGB10_U + PRGGB10_D)/2;
b = (unsigned int)(PRGGB10_U + PRGGB10_D) >> 1;
g = *psrc;
r = (PRGGB10_L + PRGGB10_R)/2;
r = (unsigned int)(PRGGB10_L + PRGGB10_R) >> 1;
}
else {
g = (PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D)/4;
b = (PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL)/4;
g = (unsigned int)(PRGGB10_L + PRGGB10_R + PRGGB10_U + PRGGB10_D) >> 2;
b = (unsigned int)(PRGGB10_UL + PRGGB10_DL + PRGGB10_UR + PRGGB10_UL) >> 2;
r = *psrc;
}
}
}
// if (pdst - dst > max) {
// printf ("debayer error. dpst out of bounds size:%dx%d pos:%dx%d \n", dst_w, dst_h, xd, yd);
pdst[0] = (r >> 2);
pdst[1] = (g >> 2);
pdst[2] = (b >> 2);
// if (yd < 100 && xd < 300) {
// pdst[0] = 0; if (xd < 100) pdst[0] = 255;
// pdst[1] = 0; if (xd > 100 && xd < 200) pdst[1] = 255;
// pdst[2] = 0; if (xd > 200 && xd < 300) pdst[2] = 255;
// }
// if ((ys == 10 || ys == 11) && xs < 10) printf ("%dx%d - %d, %d, %d\n", xs, ys, r, g, b);
pdst[0] = (r);
pdst[1] = (g);
pdst[2] = (b);
pdst += 3;
psrc += 2;
psrc += 1;
}
}
};
void debayer_rggb10_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h) {
debayer_rggb10_simple(src, src_w, src_h, dst, dst_w, dst_h);
};

24
debayer.h
Unescape View File

@ -3,24 +3,14 @@
#include <stdint.h>
void debayer_grbg16_simple (uint16_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_grbg16_bilinear (uint16_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_grbg16 (uint16_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_grbg8_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_grbg8_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_grbg8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_gbrg8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb8 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10packet_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10packet_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10_simple (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10_bilinear (uint8_t * src, int src_w, int src_h,
uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10packet (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_gbrg10 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
void debayer_rggb10 (uint8_t * src, int src_w, int src_h, uint8_t * dst, int dst_w, int dst_h);
#endif

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