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      1 /**************************************************************************
      2  *
      3  * Copyright 2009 Younes Manton.
      4  * All Rights Reserved.
      5  *
      6  * Permission is hereby granted, free of charge, to any person obtaining a
      7  * copy of this software and associated documentation files (the
      8  * "Software"), to deal in the Software without restriction, including
      9  * without limitation the rights to use, copy, modify, merge, publish,
     10  * distribute, sub license, and/or sell copies of the Software, and to
     11  * permit persons to whom the Software is furnished to do so, subject to
     12  * the following conditions:
     13  *
     14  * The above copyright notice and this permission notice (including the
     15  * next paragraph) shall be included in all copies or substantial portions
     16  * of the Software.
     17  *
     18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
     19  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
     20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
     21  * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
     22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
     23  * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
     24  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
     25  *
     26  **************************************************************************/
     27 
     28 #ifndef vl_csc_h
     29 #define vl_csc_h
     30 
     31 #include "pipe/p_compiler.h"
     32 
     33 typedef float vl_csc_matrix[3][4];
     34 
     35 struct vl_procamp
     36 {
     37    float brightness;
     38    float contrast;
     39    float saturation;
     40    float hue;
     41 };
     42 
     43 enum VL_CSC_COLOR_STANDARD
     44 {
     45    VL_CSC_COLOR_STANDARD_IDENTITY,
     46    VL_CSC_COLOR_STANDARD_BT_601,
     47    VL_CSC_COLOR_STANDARD_BT_709,
     48    VL_CSC_COLOR_STANDARD_SMPTE_240M
     49 };
     50 
     51 extern const struct vl_procamp vl_default_procamp;
     52 
     53 void vl_csc_get_matrix(enum VL_CSC_COLOR_STANDARD cs,
     54                        struct vl_procamp *procamp,
     55                        bool full_range,
     56                        vl_csc_matrix *matrix);
     57 
     58 #endif /* vl_csc_h */
     59