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56 lines
2 KiB
C
56 lines
2 KiB
C
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/*
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* Copyright © 2008-2011 Kristian Høgsberg
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* Copyright © 2011 Intel Corporation
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* Copyright © 2017, 2018 Collabora, Ltd.
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* Copyright © 2017, 2018 General Electric Company
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* Copyright (c) 2018 DisplayLink (UK) Ltd.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial
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* portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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#ifndef __GST_KMS_EDID_H__
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#define __GST_KMS_EDID_H__
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/* from libweston/backend-drm/modes.c unaccepted merge, modified slightly to
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remove non HDR stuff, return -1 if no HDR in EDID.
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https://gitlab.freedesktop.org/jcline/weston/-/commit/b3fa65d19ca60a45d0cc0fc1bfa68eea970344ee
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*/
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#include <stddef.h>
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#include <stdint.h>
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/* HDR Metadata as per 861.G spec from linux/hdmi.h, modified for stdint.h */
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struct gst_kms_hdr_static_metadata
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{
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uint8_t eotf;
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uint8_t metadata_type;
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uint16_t max_cll;
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uint16_t max_fall;
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uint16_t min_cll;
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};
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int
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gst_kms_edid_parse (struct gst_kms_hdr_static_metadata *metadata, const uint8_t * data,
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size_t length);
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#endif /* __GST_KMS_EDID_H__ */
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