131 lines
4.4 KiB
C
131 lines
4.4 KiB
C
/*
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* Copyright 2007 Red Hat, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* on the rights to use, copy, modify, merge, publish, distribute, sub
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* license, and/or sell copies of the Software, and to permit persons to whom
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* the Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN 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 SOFTWARE.
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*/
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/* Author: Soren Sandmann <sandmann@redhat.com> */
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#include "config.h"
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <glib.h>
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#include <libdisplay-info/cta.h>
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#include <libdisplay-info/edid.h>
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#include <libdisplay-info/info.h>
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#include "backends/edid.h"
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MetaEdidInfo *
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meta_edid_info_new_parse (const uint8_t *edid,
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size_t size)
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{
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g_autofree MetaEdidInfo *info = g_new0 (MetaEdidInfo, 1);
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struct di_info *di_info;
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const struct di_edid *di_edid;
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const struct di_edid_vendor_product *vendor_product;
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const struct di_edid_display_descriptor *const *edid_descriptors;
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const struct di_color_primaries *default_color_primaries;
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const struct di_supported_signal_colorimetry *signal_colorimetry;
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const struct di_hdr_static_metadata *hdr_static_metadata;
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di_info = di_info_parse_edid (edid, size);
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if (!di_info)
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return NULL;
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di_edid = di_info_get_edid (di_info);
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/* Vendor and Product identification */
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vendor_product = di_edid_get_vendor_product (di_edid);
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/* Manufacturer Code */
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info->manufacturer_code = g_strndup (vendor_product->manufacturer, 3);
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/* Product Code */
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info->product_code = vendor_product->product;
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/* Serial Number */
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info->serial_number = vendor_product->serial;
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/* Product Serial and Name */
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edid_descriptors = di_edid_get_display_descriptors (di_edid);
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for (; *edid_descriptors; edid_descriptors++)
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{
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const struct di_edid_display_descriptor *desc = *edid_descriptors;
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enum di_edid_display_descriptor_tag desc_tag =
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di_edid_display_descriptor_get_tag (desc);
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const struct di_edid_display_range_limits *range_limits;
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switch (desc_tag)
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{
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case DI_EDID_DISPLAY_DESCRIPTOR_PRODUCT_SERIAL:
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info->dsc_serial_number =
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g_strdup (di_edid_display_descriptor_get_string (desc));
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break;
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case DI_EDID_DISPLAY_DESCRIPTOR_PRODUCT_NAME:
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info->dsc_product_name =
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g_strdup (di_edid_display_descriptor_get_string (desc));
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break;
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case DI_EDID_DISPLAY_DESCRIPTOR_RANGE_LIMITS:
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range_limits = di_edid_display_descriptor_get_range_limits (desc);
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info->min_vert_rate_hz = range_limits->min_vert_rate_hz;
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break;
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default:
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break;
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}
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}
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/* Default Color Characteristics */
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default_color_primaries = di_info_get_default_color_primaries (di_info);
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memcpy (&info->default_color_primaries,
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default_color_primaries,
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sizeof (*default_color_primaries));
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/* Default Gamma */
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info->default_gamma = di_info_get_default_gamma (di_info);
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/* Supported Signal Colorimetry */
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signal_colorimetry = di_info_get_supported_signal_colorimetry (di_info);
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memcpy (&info->colorimetry,
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signal_colorimetry,
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sizeof (*signal_colorimetry));
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/* Supported HDR Static Metadata */
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hdr_static_metadata = di_info_get_hdr_static_metadata (di_info);
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memcpy (&info->hdr_static_metadata,
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hdr_static_metadata,
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sizeof (*hdr_static_metadata));
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di_info_destroy (di_info);
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return g_steal_pointer (&info);
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}
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void
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meta_edid_info_free (MetaEdidInfo *info)
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{
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g_clear_pointer (&info->manufacturer_code, g_free);
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g_clear_pointer (&info->dsc_serial_number, g_free);
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g_clear_pointer (&info->dsc_product_name, g_free);
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g_free (info);
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}
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