Hey,
do you want some specific tests about the patch ?
> 2011/4/1 Mike Blumenkrantz<m...@zentific.com>:
>> On Fri, 1 Apr 2011 22:19:19 +0200
>> Leif Middelschulte<leif.middelschu...@gmail.com> wrote:
>>
>>> Hello everyone,
>>>
>>> find attached a patch for EDID data extraction. My display's
>>> manufacturer didn't comply with the standard too much, so I can't test
>>> it entirely. But it should work.
>>>
>>> Review, comments and commit are welcome ;-)
>>>
>>> BR,
>>>
>>> Leif
>>>
>> Thanks for sending! I'll review it immediately!
>>
>> April fool's, it'll languish on the mailing list for months! :D
> Oh,
>
> I forgot.... it's not april 1st anymore in .kr :-/
>
> So then.. here you go
>
>> --
>> Mike Blumenkrantz
>> Zentific: NULL pointer dereferences now 50% off!
>>
>>
>> 0001-Added-data-extraction-for-raw-EDID-version-1.3.patch
>>
>>
>> From a866c1f84c0ef44e85fc7c10abf7deff23e1fa08 Mon Sep 17 00:00:00 2001
>> From: Leif Middelschulte<leif.middelschu...@gmail.com>
>> Date: Fri, 1 Apr 2011 02:40:09 +0200
>> Subject: [PATCH] Added data extraction for raw EDID version>= 1.3
>>
>> ---
>> trunk/ecore/ChangeLog | 4 +
>> trunk/ecore/src/lib/ecore_x/Ecore_X.h | 204 ++++++++
>> trunk/ecore/src/lib/ecore_x/xlib/Makefile.am | 1 +
>> .../src/lib/ecore_x/xlib/ecore_x_randr_12_edid.c | 486
>> ++++++++++++++++++++
>> 4 files changed, 695 insertions(+), 0 deletions(-)
>> create mode 100644 trunk/ecore/src/lib/ecore_x/xlib/ecore_x_randr_12_edid.c
>>
>> diff --git a/trunk/ecore/ChangeLog b/trunk/ecore/ChangeLog
>> index 31f5fe1..03479f3 100644
>> --- a/trunk/ecore/ChangeLog
>> +++ b/trunk/ecore/ChangeLog
>> @@ -113,3 +113,7 @@
>>
>> * Add ecore_con_url_pipeline_set and ecore_con_url_pipeline_get for
>> HTTP 1.1
>> pipelining support.
>> +
>> +2011-04-01 Leif Middelschulte
>> +
>> + * Add ecore_x_randr_edid_* data extraction and validation functions for
>> EDID structures.
>> diff --git a/trunk/ecore/src/lib/ecore_x/Ecore_X.h
>> b/trunk/ecore/src/lib/ecore_x/Ecore_X.h
>> index 0e21770..a9232fc 100644
>> --- a/trunk/ecore/src/lib/ecore_x/Ecore_X.h
>> +++ b/trunk/ecore/src/lib/ecore_x/Ecore_X.h
>> @@ -207,6 +207,35 @@ typedef enum _Ecore_X_Render_Subpixel_Order {
>> ECORE_X_RENDER_SUBPIXEL_ORDER_NONE = 5
>> } Ecore_X_Render_Subpixel_Order;
>>
>> +typedef enum _Ecore_X_Randr_Edid_Display_Interface_Type {
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_UNDEFINED,
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_DVI,
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_HDMI_A,
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_HDMI_B,
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_MDDI,
>> + ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_DISPLAY_PORT
>> +} Ecore_X_Randr_Edid_Display_Interface_Type;
>> +
>> +typedef enum _Ecore_X_Randr_Edid_Display_Colorscheme {
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_MONOCHROME_GRAYSCALE = 0x00,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB = 0x08,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_NON_RGB = 0x10,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_UNDEFINED = 0x18,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_4_4_4 = 0x444000,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_YCRCB_4_4_4 = 0x444,
>> + ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_YCRCB_4_2_2 = 0x422
>> +} Ecore_X_Randr_Edid_Display_Colorscheme;
>> +
>> +typedef enum _Ecore_X_Randr_Edid_Aspect_Ratio {
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_4_3 = 0x0,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_16_9 = 0x1,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_16_10 = 0x2,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_5_4 = 0x4,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_15_9 = 0x8
>> +} Ecore_X_Randr_Edid_Aspect_Ratio;
>> +
>> +#define ECORE_X_RANDR_EDID_UNKNOWN_VALUE -1
>> +
>> #define ECORE_X_SELECTION_TARGET_TARGETS "TARGETS"
>> #define ECORE_X_SELECTION_TARGET_TEXT "TEXT"
>> #define ECORE_X_SELECTION_TARGET_COMPOUND_TEXT "COMPOUND_TEXT"
>> @@ -2668,6 +2697,181 @@ ecore_x_randr_output_crtc_set(Ecore_X_Window root,
>> Ecore_X_Randr_Output output,
>> const Ecore_X_Randr_Crtc crtc);
>>
>> +/* ecore_x_randr_12_edid.c */
>> +
>> +/*
>> + * @brief Validates the header from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if the header is valid. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_valid_header(unsigned char *edid,
>> unsigned long edid_length);
>> +
>> +/*
>> + * @brief Checks whether a display's EDID has a valid checksum.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if the checksum is valid. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_info_has_valid_checksum(unsigned char
>> *edid, long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded version from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded major and minor version encasuplated a single short.
>> + */
>> +EAPI short ecore_x_randr_edid_version_get(unsigned char *edid, unsigned
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded manufacturer from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded manufacturer identifier.
>> + */
>> +EAPI const char *ecore_x_randr_edid_manufacturer_name_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded name from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded manufacturer identifier.
>> + */
>> +EAPI const char *ecore_x_randr_edid_display_name_get(unsigned char *edid,
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded ASCII from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded ASCII display identifier.
>> + */
>> +EAPI const char *ecore_x_randr_edid_display_ascii_get(unsigned char *edid,
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded serial identifier from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded serial identifier.
>> + */
>> +EAPI const char *ecore_x_randr_edid_display_serial_get(unsigned char *edid,
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the encoded model number from raw EDID data.
>> + *
>> + * The manufacturer ID table is necessary for a useful description.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded model number.
>> + */
>> +EAPI short ecore_x_randr_edid_model_get(unsigned char *edid, unsigned long
>> edid_length);
>> +
>> +/*
>> + * @brief Get the manufacturer serial number from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The encoded serial manufacturer serial number.
>> + */
>> +EAPI int ecore_x_randr_edid_manufacturer_serial_number_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Get the manufacturer model number from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The manufacturer's model number.
>> + */
>> +EAPI short ecore_x_randr_edid_manufacturer_model_get(unsigned char *edid,
>> unsigned long edid_length);
>> +
>> +/*
>> + * @brief Looks up the DPMS support from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if DPMS is supported in some way. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_dpms_available_get(unsigned char *edid,
>> unsigned long edid_length);
>> +
>> +/*
>> + * @brief Looks up the DPMS Standby support from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if DPMS Standby is supported. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_dpms_standby_available_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Looks up the DPMS Suspend support from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if DPMS Suspend is supported. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_dpms_suspend_available_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Looks up the DPMS Off support from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if DPMS Off is supported. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_dpms_off_available_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Get the preferred aspect ratio from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The preferred aspect ratio.
>> + */
>> +EAPI Ecore_X_Randr_Edid_Aspect_Ratio_Preferred
>> ecore_x_randr_edid_display_aspect_ratio_preferred_get(unsigned char *edid,
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the supported aspect ratios from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The supported aspect ratios.
>> + */
>> +EAPI Ecore_X_Randr_Edid_Aspect_Ratio
>> ecore_x_randr_edid_display_aspect_ratios_get(unsigned char *edid, long
>> edid_length);
>> +
>> +/*
>> + * @brief Get the supported colorschemes from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The supported colorschemes.
>> + */
>> +EAPI Ecore_X_Randr_Edid_Display_Colorscheme
>> ecore_x_randr_edid_display_colorscheme_get(unsigned char *edid, unsigned
>> long edid_length);
>> +
>> +/*
>> + * @brief Get the display type from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return EINA_TRUE, if the display is a digital one. Else EINA_FALSE.
>> + */
>> +EAPI Eina_Bool ecore_x_randr_edid_display_type_digital_get(unsigned char
>> *edid, unsigned long edid_length);
>> +
>> +/*
>> + * @brief Get the display interface type from raw EDID data.
>> + *
>> + * @param edid the edid structure
>> + * @param edid_length length of the edid structure
>> + * @return The interface type.
>> + */
>> +EAPI Ecore_X_Randr_Edid_Display_Interface_Type
>> ecore_x_randr_edid_display_interface_type_get(unsigned char *edid, unsigned
>> long edid_length);
>> +
>> /* ecore_x_randr_13.c */
>> EAPI void
>> ecore_x_randr_screen_backlight_level_set(Ecore_X_Window root, double
>> level);
>> diff --git a/trunk/ecore/src/lib/ecore_x/xlib/Makefile.am
>> b/trunk/ecore/src/lib/ecore_x/xlib/Makefile.am
>> index c75f4a5..71990ec 100644
>> --- a/trunk/ecore/src/lib/ecore_x/xlib/Makefile.am
>> +++ b/trunk/ecore/src/lib/ecore_x/xlib/Makefile.am
>> @@ -36,6 +36,7 @@ ecore_x_sync.c \
>> ecore_x_randr.c \
>> ecore_x_randr_11.c \
>> ecore_x_randr_12.c \
>> +ecore_x_randr_12_edid.c \
>> ecore_x_randr_13.c \
>> ecore_x_fixes.c \
>> ecore_x_damage.c \
>> diff --git a/trunk/ecore/src/lib/ecore_x/xlib/ecore_x_randr_12_edid.c
>> b/trunk/ecore/src/lib/ecore_x/xlib/ecore_x_randr_12_edid.c
>> new file mode 100644
>> index 0000000..85582dd
>> --- /dev/null
>> +++ b/trunk/ecore/src/lib/ecore_x/xlib/ecore_x_randr_12_edid.c
>> @@ -0,0 +1,486 @@
>> +/*
>> + * Copyright 2006-2009 Red Hat, Inc.
>> + *
>> + * 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
>> + * on 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
>> + * THE AUTHORS 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.
>> + */
>> +/* Original Author: Adam Jackson<a...@nwnk.net> */
>> +/* Heavily modified by: Leif Middelschulte<leif.middelschu...@gmail.com> */
>> +
>> +#include "Ecore_X.h"
>> +
>> +/* TODO:
>> + * - see other TODO's within this file.
>> + */
>> +
>> +#define ECORE_X_RANDR_EDID_VERSION_10 ((1<< 8) | 0)
>> +#define ECORE_X_RANDR_EDID_VERSION_11 ((1<< 8) | 1)
>> +#define ECORE_X_RANDR_EDID_VERSION_12 ((1<< 8) | 2)
>> +#define ECORE_X_RANDR_EDID_VERSION_13 ((1<< 8) | 3)
>> +#define ECORE_X_RANDR_EDID_VERSION_14 ((1<< 8) | 4)
>> +
>> +#define _ECORE_X_RANDR_EDID_OFFSET_MANUFACTURER 0x08
>> +#define _ECORE_X_RANDR_EDID_OFFSET_TYPE 0x14
>> +#define _ECORE_X_RANDR_EDID_OFFSET_VERSION_MAJOR 0x12
>> +#define _ECORE_X_RANDR_EDID_OFFSET_VERSION_MINOR 0x13
>> +#define _ECORE_X_RANDR_EDID_OFFSET_DPMS 0x18
>> +#define _ECORE_X_RANDR_EDID_OFFSET_COLORSPACE 0x18
>> +#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK 0x36
>> +#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE 3
>> +#define _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT 5
>> +#define _ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO_PREFERRED 15
>> +#define _ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO 14
>> +
>> +#define _ECORE_X_RANDR_EDID_MASK_DIGITAL 0x80
>> +#define _ECORE_X_RANDR_EDID_MASK_DIGITAL_INTERFACE 0x0f
>> +#define _ECORE_X_RANDR_EDID_MASK_DIGITAL_TMDS_DFP_10 0x01
>> +#define _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_ANALOGOUS 0x18
>> +#define _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_DIGITAL_YCRCB_444 0x10
>> +#define _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_DIGITAL_YCRCB_422 0x08
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_PREFERRED 0xe0
>> +#define _ECORE_X_RANDR_EDID_MASK_DPMS 0xE0
>> +#define _ECORE_X_RANDR_EDID_MASK_DPMS_STANDBY 0x80
>> +#define _ECORE_X_RANDR_EDID_MASK_DPMS_SUSPEND 0x40
>> +#define _ECORE_X_RANDR_EDID_MASK_DPMS_OFF 0x20
>> +#define _ECORE_X_RANDR_EDID_MASK_INTERFACE_TYPE 0x0f
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_4_3 0x80
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_16_9 0x40
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_16_10 0x20
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_5_4 0x10
>> +#define _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_15_9 0x08
>> +
>> +#define _ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX 13
>> +
>> +typedef enum _Ecore_X_Randr_Edid_Aspect_Ratio_Preferred {
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_4_3 = 0x00,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_16_9 = 0x01,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_16_10 = 0x02,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_5_4 = 0x03,
>> + ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_15_9 = 0x04
>> +} Ecore_X_Randr_Edid_Aspect_Ratio_Preferred;
>> +
>> +/* Some convenience loops */
>> +#define _ECORE_X_RANDR_EDID_FOR_EACH_EXTENSION_BLOCK(edid, edid_length,
>> extension_block_iter) \
>> + for (extension_block_iter = edid; extension_block_iter< (edid +
>> edid_length); extension_block_iter += 128)
>> +
>> +#define _ECORE_X_RANDR_EDID_FOR_EACH_CEA_BLOCK(edid, edid_length,
>> cea_block_iter) \
>> + _ECORE_X_RANDR_EDID_FOR_EACH_EXTENSION_BLOCK(edid, edid_length,
>> cea_block_iter) \
>> +if (cea_block_iter[0] == 0x02)
>> +
>> +/* The following macro is to be used with caution as it inherits another
>> loop.
>> + * Therefore using a 'break;' statement will lead to continuation in the
>> + * inherent 'Extension block'-loop.
>> + */
>> +#define _ECORE_X_RANDR_EDID_FOR_EACH_CEA_DETAILED_BLOCK(edid, edid_length,
>> cea_block_iter, detailed_block_iter) \
>> + _ECORE_X_RANDR_EDID_FOR_EACH_CEA_BLOCK(edid, edid_length,
>> cea_block_iter) \
>> +for (detailed_block_iter = cea_block_iter + cea_block_iter[2];
>> detailed_block_iter + 18< cea_block_iter + 127; detailed_block_iter += 18) \
>> +if (detailed_block_iter[0])
>> +
>> +#define _ECORE_X_RANDR_EDID_FOR_EACH_DESCRIPTOR_BLOCK(edid, block) \
>> + for (block = edid + _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK; block<=
>> (edid + _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK + (3*18)); block += 18)
>> +
>> +#define _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid,
>> block) \
>> + _ECORE_X_RANDR_EDID_FOR_EACH_DESCRIPTOR_BLOCK(edid, block) \
>> +if ((block[0] == 0)&& (block[1] == 0))
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_has_valid_header(unsigned char *edid, unsigned long
>> edid_length)
>> +{
>> + Eina_Bool is_valid = EINA_FALSE;
>> +
>> + if (!edid) return EINA_FALSE;
>> +
>> + if (!memcmp(edid, "\x00\xFF\xFF\xFF\xFF\xFF\xFF\x00", 8))
>> + {
>> + is_valid = EINA_TRUE;
>> + }
>> +
>> + return is_valid;
>> +}
>> +
>> + EAPI short
>> +ecore_x_randr_edid_version_get(unsigned char *edid, unsigned long
>> edid_length)
>> +{
>> + short version;
>> + version = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> +
>> + if (edid&& ecore_x_randr_edid_has_valid_header(edid, edid_length))
>> + version = (edid[_ECORE_X_RANDR_EDID_OFFSET_VERSION_MAJOR]<< 8) |
>> edid[_ECORE_X_RANDR_EDID_OFFSET_VERSION_MINOR];
>> +
>> + return version;
>> +}
>> +
>> + EAPI short
>> +ecore_x_randr_edid_manufacturer_model_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + short model = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> +
>> + if (edid&& ecore_x_randr_edid_has_valid_header(edid, edid_length))
>> + model = (short)(edid[0x0A] + (edid[0x0B]<< 8));
>> +
>> + return model;
>> +}
>> +
>> + EAPI int
>> +ecore_x_randr_edid_manufacturer_serial_number_get(unsigned char *edid,
>> unsigned long edid_length)
>> +{
>> + int serial_number = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> +
>> + if (edid&& ecore_x_randr_edid_has_valid_header(edid, edid_length))
>> + serial_number = (int)(edid[0x0C] + (edid[0x0D]<< 8) + (edid[0x0E]<<
>> 16) + (edid[0x0F]<< 24));
>> +
>> + return serial_number;
>> +}
>> +
>> + EAPI const char
>> +*ecore_x_randr_edid_manufacturer_name_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + unsigned char *x;
>> + char *name = NULL;
>> +
>> + if (edid&& ecore_x_randr_edid_has_valid_header(edid, edid_length))
>> + {
>> + x = (edid + _ECORE_X_RANDR_EDID_OFFSET_MANUFACTURER);
>> +
>> + name = malloc(sizeof(char) * 4);
>> +
>> + name[0] = ((x[0]& 0x7C)>> 2) + '@';
>> + name[1] = ((x[0]& 0x03)<< 3) + ((x[1]& 0xE0)>> 5) + '@';
>> + name[2] = (x[1]& 0x1F) + '@';
>> + name[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] = '\0';
>> +
>> + /*
>> + * if (isupper(name[0])&& isupper(name[1])&& isupper(name[2]))
>> + * info->manufacturer_name_well_formed = EINA_TRUE;
>> + */
>> + }
>> +
>> + return name;
>> +}
>> +
>> + EAPI const char
>> +*ecore_x_randr_edid_display_name_get(unsigned char *edid, long edid_length)
>> +{
>> + unsigned char *block = NULL;
>> + char *name = NULL;
>> + const char *edid_name;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return NULL;
>> +
>> + _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
>> + {
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] ==
>> 0xFC) {
>> + edid_name = (const char*)block +
>> _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT;
>> + name = malloc(sizeof(*name) *
>> _ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX);
>> + strncpy(name, edid_name,
>> (_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX - 1));
>> + return name;
>> + }
>> + }
>> + return name;
>> +}
>> +
>> + EAPI Ecore_X_Randr_Edid_Aspect_Ratio
>> +ecore_x_randr_edid_display_aspect_ratio_preferred_get(unsigned char *edid,
>> long edid_length)
>> +{
>> + Ecore_X_Randr_Edid_Aspect_Ratio ret = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> + Ecore_X_Randr_Edid_Aspect_Ratio_Preferred preferred_ratio;
>> + unsigned char *block = NULL;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return ret;
>> +
>> + _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
>> + {
>> + if ((block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] ==
>> 0xFD)&& (block[10] == 0x04))
>> + {
>> + preferred_ratio =
>> (Ecore_X_Randr_Edid_Aspect_Ratio_Preferred)((block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO_PREFERRED]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_PREFERRED)>> 5);
>> + switch (preferred_ratio)
>> + {
>> + case ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_4_3:
>> + ret = ECORE_X_RANDR_EDID_ASPECT_RATIO_4_3;
>> + break;
>> + case ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_16_9:
>> + ret = ECORE_X_RANDR_EDID_ASPECT_RATIO_16_9;
>> + break;
>> + case ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_16_10:
>> + ret = ECORE_X_RANDR_EDID_ASPECT_RATIO_16_10;
>> + break;
>> + case ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_5_4:
>> + ret = ECORE_X_RANDR_EDID_ASPECT_RATIO_5_4;
>> + break;
>> + case ECORE_X_RANDR_EDID_ASPECT_RATIO_PREFERRED_15_9:
>> + ret = ECORE_X_RANDR_EDID_ASPECT_RATIO_15_9;
>> + break;
>> + default:
>> + ret = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> + }
>> + }
>> + return ret;
>> + }
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Ecore_X_Randr_Edid_Aspect_Ratio
>> +ecore_x_randr_edid_display_aspect_ratios_get(unsigned char *edid, long
>> edid_length)
>> +{
>> + Ecore_X_Randr_Edid_Aspect_Ratio ret = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> + unsigned char *block = NULL;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return ret;
>> +
>> + _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
>> + {
>> + if ((block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] ==
>> 0xFD)&& (block[10] == 0x04))
>> + {
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_4_3)
>> + ret |= ECORE_X_RANDR_EDID_ASPECT_RATIO_4_3;
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_16_9)
>> + ret |= ECORE_X_RANDR_EDID_ASPECT_RATIO_16_9;
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_16_10)
>> + ret |= ECORE_X_RANDR_EDID_ASPECT_RATIO_16_10;
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_5_4)
>> + ret |= ECORE_X_RANDR_EDID_ASPECT_RATIO_5_4;
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_ASPECT_RATIO]&
>> _ECORE_X_RANDR_EDID_MASK_ASPECT_RATIO_15_9)
>> + ret |= ECORE_X_RANDR_EDID_ASPECT_RATIO_15_9;
>> + }
>> + }
>> +
>> + return ret;
>> +}
>> +
>> + EAPI const char
>> +*ecore_x_randr_edid_display_ascii_get(unsigned char *edid, long edid_length)
>> +{
>> + unsigned char *block = NULL;
>> + char *ascii = NULL;
>> + const char *edid_ascii;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return ascii;
>> +
>> + _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
>> + {
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] == 0xFE)
>> + {
>> + edid_ascii = (const char*)block +
>> _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT;
>> + /*
>> + * TODO: Two of these in a row, in the third and fouth slots,
>> + * seems to be specified by SPWG: http://www.spwg.org/
>> + */
>> + ascii = malloc(sizeof(*ascii) *
>> _ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX);
>> + strncpy(ascii, edid_ascii,
>> (_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX - 1));
>> + return ascii;
>> + }
>> + }
>> +
>> + return ascii;
>> +}
>> +
>> + EAPI const char
>> +*ecore_x_randr_edid_display_serial_get(unsigned char *edid, long
>> edid_length)
>> +{
>> + unsigned char *block = NULL;
>> + char *serial = NULL;
>> + const char *edid_serial;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return serial;
>> +
>> + _ECORE_X_RANDR_EDID_FOR_EACH_NON_PIXEL_DESCRIPTOR_BLOCK(edid, block)
>> + {
>> + if (block[_ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_TYPE] == 0xFF)
>> + {
>> + edid_serial = (const char*)block +
>> _ECORE_X_RANDR_EDID_OFFSET_DESCRIPTOR_BLOCK_CONTENT;
>> + /*
>> + * TODO: Two of these in a row, in the third and fouth slots,
>> + * seems to be specified by SPWG: http://www.spwg.org/
>> + */
>> + serial = malloc(sizeof(*serial) *
>> _ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX);
>> + strncpy(serial, edid_serial,
>> (_ECORE_X_RANDR_EDID_DISPLAY_DESCRIPTOR_BLOCK_CONTENT_LENGTH_MAX - 1));
>> + }
>> + }
>> +
>> + return serial;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_info_has_valid_checksum(unsigned char *edid, long
>> edid_length)
>> +{
>> + unsigned char *cea_block_iter = NULL;
>> + char sum;
>> + int i;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return EINA_FALSE;
>> +
>> + /* Check the EDID block itself */
>> + for (i = 0, sum = 0; i< 128; i++)
>> + sum += edid[i];
>> + if (sum) return EINA_FALSE;
>> +
>> + /* Check the cea extension blocks */
>> + _ECORE_X_RANDR_EDID_FOR_EACH_CEA_BLOCK(edid, edid_length, cea_block_iter)
>> + {
>> + for (i = 0, sum = 0; i< 128; i++)
>> + sum += cea_block_iter[i];
>> + /*
>> + * printf("Checksum: 0x%hx", x[0x7f]);
>> + * printf(" (should be 0x%hx)\n", (char)(x[0x7f] - sum));
>> + */
>> + }
>> +
>> + if (sum)
>> + return EINA_FALSE;
>> + else
>> + return EINA_TRUE;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_dpms_available_get(unsigned char *edid, unsigned long
>> edid_length)
>> +{
>> + Eina_Bool ret = EINA_FALSE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return EINA_FALSE;
>> +
>> + ret = (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS);
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_dpms_standby_available_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Eina_Bool ret = EINA_FALSE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return EINA_FALSE;
>> +
>> + if (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS)
>> + ret = (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS_STANDBY);
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_dpms_suspend_available_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Eina_Bool ret = EINA_FALSE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return EINA_FALSE;
>> +
>> + if (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS)
>> + ret = (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS_SUSPEND);
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_dpms_off_available_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Eina_Bool ret = EINA_FALSE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return EINA_FALSE;
>> +
>> + if (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS)
>> + ret = (edid[_ECORE_X_RANDR_EDID_OFFSET_DPMS]&
>> _ECORE_X_RANDR_EDID_MASK_DPMS_OFF);
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Eina_Bool
>> +ecore_x_randr_edid_display_type_digital_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Eina_Bool ret = EINA_FALSE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return ret;
>> +
>> + ret = (edid[_ECORE_X_RANDR_EDID_OFFSET_TYPE]&
>> _ECORE_X_RANDR_EDID_MASK_DIGITAL);
>> +
>> + return ret;
>> +}
>> +
>> + EAPI Ecore_X_Randr_Edid_Display_Colorscheme
>> +ecore_x_randr_edid_display_colorscheme_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Ecore_X_Randr_Edid_Display_Colorscheme colorscheme =
>> ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return colorscheme;
>> +
>> + if (ecore_x_randr_edid_display_type_digital_get(edid, edid_length))
>> + {
>> + colorscheme =
>> ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_4_4_4;
>> + if (edid[_ECORE_X_RANDR_EDID_OFFSET_COLORSPACE]&
>> _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_DIGITAL_YCRCB_444)
>> + colorscheme |=
>> ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_YCRCB_4_4_4;
>> + if (edid[_ECORE_X_RANDR_EDID_OFFSET_COLORSPACE]&
>> _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_DIGITAL_YCRCB_422)
>> + colorscheme |=
>> ECORE_X_RANDR_EDID_DISPLAY_COLORSCHEME_COLOR_RGB_YCRCB_4_2_2;
>> + }
>> + else
>> + {
>> + colorscheme = edid[_ECORE_X_RANDR_EDID_OFFSET_COLORSPACE]&
>> _ECORE_X_RANDR_EDID_MASK_COLORSCHEME_ANALOGOUS;
>> + }
>> +
>> + return colorscheme;
>> +}
>> +
>> + EAPI Ecore_X_Randr_Edid_Display_Interface_Type
>> +ecore_x_randr_edid_display_interface_type_get(unsigned char *edid, unsigned
>> long edid_length)
>> +{
>> + Ecore_X_Randr_Edid_Display_Interface_Type type =
>> ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> + static short version;
>> +
>> + version = ecore_x_randr_edid_version_get(edid, edid_length);
>> +
>> + if (version< ECORE_X_RANDR_EDID_VERSION_13) return type;
>> +
>> + type = edid[_ECORE_X_RANDR_EDID_OFFSET_TYPE]&
>> _ECORE_X_RANDR_EDID_MASK_INTERFACE_TYPE;
>> +
>> + if ((type< ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_UNDEFINED) || (type>
>> ECORE_X_RANDR_EDID_DISPLAY_INTERFACE_DISPLAY_PORT))
>> + type = ECORE_X_RANDR_EDID_UNKNOWN_VALUE;
>> +
>> + return type;
>> +}
>>
>>
>> ------------------------------------------------------------------------------
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>>
>> _______________________________________________
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>> enlightenment-devel@lists.sourceforge.net
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------------------------------------------------------------------------------
Create and publish websites with WebMatrix
Use the most popular FREE web apps or write code yourself;
WebMatrix provides all the features you need to develop and
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