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Diffstat (limited to 'color.h')
-rw-r--r-- | color.h | 64 |
1 files changed, 64 insertions, 0 deletions
@@ -0,0 +1,64 @@ +/** +* @file color.h +* @brief color utility function definition +* @author Patrick Roth - roth@stettbacher.ch +* @version 1.0 +* @date 2015-08-20 +* @copyright 2012-2016 Stettbacher Signal Processing AG +* +* @remarks +* +* <PRE> +* This library 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 library 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 library; if not, write to the Free Software +* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +* </PRE> +* +*/ + + +#ifndef _COLOR_H +#define _COLOR_H + +#include "color_pipe.h" + + +#define RGB2YUV_COEFF_Y_RED 0.299 ///< RGB to YUV conversion coefficient for Y-Channel: red +#define RGB2YUV_COEFF_Y_GREEN 0.587 ///< RGB to YUV conversion coefficient for Y-Channel: green +#define RGB2YUV_COEFF_Y_BLUE 0.114 ///< RGB to YUV conversion coefficient for Y-Channel: blue + +#define RGB2YUV_COEFF_U_RED (-0.299) ///< RGB to YUV conversion coefficient for U-Channel: red +#define RGB2YUV_COEFF_U_GREEN (-0.587) ///< RGB to YUV conversion coefficient for U-Channel: green +#define RGB2YUV_COEFF_U_BLUE 0.886 ///< RGB to YUV conversion coefficient for U-Channel: blue + +#define RGB2YUV_COEFF_V_RED 0.701 ///< RGB to YUV conversion coefficient for V-Channel: red +#define RGB2YUV_COEFF_V_GREEN (-0.587) ///< RGB to YUV conversion coefficient for V-Channel: green +#define RGB2YUV_COEFF_V_BLUE (-0.114) ///< RGB to YUV conversion coefficient for V-Channel: blue + + + +#if defined(__cplusplus) || defined(c_plusplus) +extern "C" { +#endif + +int color_rgb_to_yuv(int16_t *img_yuv, const void *img_rgb, const int height, const int width, const int bit_channel); +int color_yuv_to_rgb(void *img_rgb, const int16_t *img_yuv, const int height, const int width, const int bit_channel); + +int color_calib(struct color_calib_data_t *color_calib); + +#if defined(__cplusplus) || defined(c_plusplus) +} // extern "C" +#endif + + +#endif // _COLOR_H |