diff options
Diffstat (limited to 'nuttx/graphics/nxglib/nxglib_yuv2rgb.c')
| -rw-r--r-- | nuttx/graphics/nxglib/nxglib_yuv2rgb.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/nuttx/graphics/nxglib/nxglib_yuv2rgb.c b/nuttx/graphics/nxglib/nxglib_yuv2rgb.c index 72002d8af..354b18bc8 100644 --- a/nuttx/graphics/nxglib/nxglib_yuv2rgb.c +++ b/nuttx/graphics/nxglib/nxglib_yuv2rgb.c @@ -1,7 +1,7 @@ /**************************************************************************** * graphics/color/nxglib_yuv2rgb.c * - * Copyright (C) 2008 Gregory Nutt. All rights reserved. + * Copyright (C) 2008-2009 Gregory Nutt. All rights reserved. * Author: Gregory Nutt <spudmonkey@racsa.co.cr> * * Redistribution and use in source and binary forms, with or without @@ -39,7 +39,7 @@ #include <nuttx/config.h> -#include <sys/types.h> +#include <stdint.h> #include <debug.h> #include <fixedmath.h> @@ -83,7 +83,8 @@ * ****************************************************************************/ -void nxgl_yuv2rgb(ubyte y, ubyte u, ubyte v, ubyte *r, ubyte *g, ubyte *b) +void nxgl_yuv2rgb(uint8_t y, uint8_t u, uint8_t v, + uint8_t *r, uint8_t *g, uint8_t *b) { b16_t vm128 = itob16(v) - b16_128P0; b16_t um128 = itob16(u) - b16_128P0; @@ -95,7 +96,7 @@ void nxgl_yuv2rgb(ubyte y, ubyte u, ubyte v, ubyte *r, ubyte *g, ubyte *b) * B = Y + 1.77200 * (U - 128.0) */ - *r = (ubyte)b16toi(itob16(y) + b16muli(b16_1P402, vm128)); - *g = (ubyte)b16toi(itob16(y) - b16muli(b16_P3441, um128) - b16muli(b16_P7141, vm128)); - *b = (ubyte)b16toi(itob16(y) + b16muli(b16_1P772, um128)); + *r = (uint8_t)b16toi(itob16(y) + b16muli(b16_1P402, vm128)); + *g = (uint8_t)b16toi(itob16(y) - b16muli(b16_P3441, um128) - b16muli(b16_P7141, vm128)); + *b = (uint8_t)b16toi(itob16(y) + b16muli(b16_1P772, um128)); } |