McSinyx
/
megapixels
mirror of https://git.sr.ht/~martijnbraam/megapixels
1
1
Fork 0
Code Issues Releases Wiki Activity

First pass of 10 bits quick debayer

This commit is contained in:
Martijn Braam 2020-11-11 17:17:29 +01:00
parent 89953d1c11
commit 0de093b62c
1 changed files with 37 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
quickpreview.c
View File

@ -40,36 +40,72 @@ void quick_debayer(const uint8_t *source, uint8_t *destination,
uint32_t pix_fmt, int width, int height, int skip, uint32_t pix_fmt, int width, int height, int skip,
int blacklevel) int blacklevel)
{ {
int byteskip = 2 * skip; int fragmentsize = 4;
int byteskip = fragmentsize * skip;
int input_size = width * height; int input_size = width * height;
int i = 0, j = 0; int i = 0, j = 0;
int row_left = width; int row_left = width;
switch (pix_fmt) {
case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SRGGB8:
break;
case V4L2_PIX_FMT_SBGGR10P:
case V4L2_PIX_FMT_SGBRG10P:
case V4L2_PIX_FMT_SGRBG10P:
case V4L2_PIX_FMT_SRGGB10P:
fragmentsize = 4;
byteskip = fragmentsize * skip;
break;
}
do { do {
uint8_t b0 = srgb[source[i] - blacklevel]; uint8_t b0 = srgb[source[i] - blacklevel];
uint8_t b1 = srgb[source[i + 1] - blacklevel]; uint8_t b1 = srgb[source[i + 1] - blacklevel];
uint8_t b2 = srgb[source[i + width + 1] - blacklevel]; uint8_t b2 = srgb[source[i + width + 1] - blacklevel];
uint8_t b3 = srgb[source[i + 2] - blacklevel];
uint8_t b4 = srgb[source[i + 3] - blacklevel];
uint8_t b5 = srgb[source[i + width + 2] - blacklevel];
switch (pix_fmt) { switch (pix_fmt) {
case V4L2_PIX_FMT_SBGGR8: case V4L2_PIX_FMT_SBGGR8:
case V4L2_PIX_FMT_SBGGR10P:
quick_debayer_set_dst(&destination[j], quick_debayer_set_dst(&destination[j],
b2, b1, b0); b2, b1, b0);
j += 3;
quick_debayer_set_dst(&destination[j],
b5, b4, b3);
break; break;
case V4L2_PIX_FMT_SGBRG8: case V4L2_PIX_FMT_SGBRG8:
case V4L2_PIX_FMT_SGBRG10P:
quick_debayer_set_dst(&destination[j], quick_debayer_set_dst(&destination[j],
b1, b2, b0); b1, b2, b0);
j += 3;
quick_debayer_set_dst(&destination[j],
b4, b4, b3);
break; break;
case V4L2_PIX_FMT_SGRBG8: case V4L2_PIX_FMT_SGRBG8:
case V4L2_PIX_FMT_SGRBG10P:
quick_debayer_set_dst(&destination[j], quick_debayer_set_dst(&destination[j],
b1, b0, b2); b1, b0, b2);
j += 3;
quick_debayer_set_dst(&destination[j],
b4, b3, b5);
break; break;
case V4L2_PIX_FMT_SRGGB8: case V4L2_PIX_FMT_SRGGB8:
case V4L2_PIX_FMT_SRGGB10P:
/* fall through */ /* fall through */
default: default:
quick_debayer_set_dst(&destination[j], quick_debayer_set_dst(&destination[j],
b0, b1, b2); b0, b1, b2);
j += 3;
quick_debayer_set_dst(&destination[j],
b3, b4, b5);
break; break;
} }
j += 3; j += 3;
i = i + byteskip; i = i + byteskip;