diff options
author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-02-27 22:52:28 +0200 |
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committer | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2018-05-23 19:24:07 +0300 |
commit | 71c7a5740913d2618f44bca252669efe8a84f4c9 (patch) | |
tree | 7cd946393000f5bd5f388e40ded35df19963b127 /lib/igt_color_encoding.h | |
parent | 9fddc9dd06d122bc8c7abe9a1195b96e2099c5cd (diff) |
lib: Add igt_color_encoding
Add some helpers for generating rgb<->ycbcr conversion matrices.
v2: Add enums for color_encoding/color_range
Fix full range handling (lacked +-0.5<->+-1.0 scaling)
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Diffstat (limited to 'lib/igt_color_encoding.h')
-rw-r--r-- | lib/igt_color_encoding.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/lib/igt_color_encoding.h b/lib/igt_color_encoding.h new file mode 100644 index 000000000..0d8c81932 --- /dev/null +++ b/lib/igt_color_encoding.h @@ -0,0 +1,49 @@ +/* + * Copyright © 2018 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + */ + +#ifndef __IGT_COLOR_ENCODING_H__ +#define __IGT_COLOR_ENCODING_H__ + +#include <stdbool.h> + +#include "igt_matrix.h" + +enum igt_color_encoding { + IGT_COLOR_YCBCR_BT601, + IGT_COLOR_YCBCR_BT709, + IGT_COLOR_YCBCR_BT2020, + IGT_NUM_COLOR_ENCODINGS, +}; + +enum igt_color_range { + IGT_COLOR_YCBCR_LIMITED_RANGE, + IGT_COLOR_YCBCR_FULL_RANGE, + IGT_NUM_COLOR_RANGES, +}; + +struct igt_mat4 igt_ycbcr_to_rgb_matrix(enum igt_color_encoding color_encoding, + enum igt_color_range color_range); +struct igt_mat4 igt_rgb_to_ycbcr_matrix(enum igt_color_encoding color_encoding, + enum igt_color_range color_range); + +#endif /* __IGT_COLOR_ENCODING_H__ */ |