From 318908e6c6f8e12d71096e7d5ab6e03ed4ca67bb Mon Sep 17 00:00:00 2001 From: Lionel Landwerlin Date: Thu, 22 Oct 2015 15:50:49 +0100 Subject: render: extract out yuv->rgb coefs Signed-off-by: Lionel Landwerlin Reviewed-by: Zhao Yakui Reviewed-by: Sean V Kelley --- src/i965_yuv_coefs.c | 73 ++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 src/i965_yuv_coefs.c (limited to 'src/i965_yuv_coefs.c') diff --git a/src/i965_yuv_coefs.c b/src/i965_yuv_coefs.c new file mode 100644 index 00000000..db817b44 --- /dev/null +++ b/src/i965_yuv_coefs.c @@ -0,0 +1,73 @@ +/* + * Copyright © 2015 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL PRECISION INSIGHT AND/OR ITS SUPPLIERS 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. + */ + +#include "i965_yuv_coefs.h" + +static const float yuv_to_rgb_bt601[] = { + 1.164, 0, 1.596, -0.06275, + 1.164, -0.392, -0.813, -0.50196, + 1.164, 2.017, 0, -0.50196, +}; + +static const float yuv_to_rgb_bt709[] = { + 1.164, 0, 1.793, -0.06275, + 1.164, -0.213, -0.533, -0.50196, + 1.164, 2.112, 0, -0.50196, +}; + +static const float yuv_to_rgb_smpte_240[] = { + 1.164, 0, 1.794, -0.06275, + 1.164, -0.258, -0.5425, -0.50196, + 1.164, 2.078, 0, -0.50196, +}; + +VAProcColorStandardType i915_filter_to_color_standard (unsigned int filter) { + switch (filter & VA_SRC_COLOR_MASK) { + case VA_SRC_BT601: + return VAProcColorStandardBT601; + case VA_SRC_BT709: + return VAProcColorStandardBT709; + case VA_SRC_SMPTE_240: + return VAProcColorStandardSMPTE240M; + default: + return VAProcColorStandardBT601; + } +} + +const float *i915_color_standard_to_coefs (VAProcColorStandardType standard, size_t *length) { + switch (standard) { + case VAProcColorStandardBT601: + *length = sizeof(yuv_to_rgb_bt601); + return yuv_to_rgb_bt601; + case VAProcColorStandardBT709: + *length = sizeof(yuv_to_rgb_bt709); + return yuv_to_rgb_bt709; + case VAProcColorStandardSMPTE240M: + *length = sizeof(yuv_to_rgb_smpte_240); + return yuv_to_rgb_smpte_240; + default: + *length = sizeof(yuv_to_rgb_bt601); + return yuv_to_rgb_bt601; + } +} -- cgit v1.2.1